Home / 401,406-601,934-135,095

Finding the Fourth Proportional to 401,406, 601,934 and 135,095

Calculator

Solution

The fourth proportional to 401,406, 601,934 and 135,095 is: 202,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,406 : 601,934 = 135,095 : x
  2. Step 2: Convert to fraction form
    401,406/601,934 = 135,095/x
  3. Step 3: Cross multiply
    401,406x = 601,934 × 135,095
  4. Step 4: Simplify right side
    401,406x = 81,318,273,730
  5. Step 5: Solve for x
    x = 81,318,273,730/401,406
  6. Step 6: Final answer
    x = 202,583.60

Related Problems

Find fourth proportional to 200,703, 300,967 and 67,547.50
Half scale
Find fourth proportional to 802,812, 1,203,868 and 270,190
Double scale
Find fourth proportional to 401,407, 601,935.50 and 135,096
Similar ratio
Find fourth proportional to 602,109, 902,901 and 202,642.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.