Home / 82,865.40-124,298.10-74,117.40

Finding the Fourth Proportional to 82,865.40, 124,298.10 and 74,117.40

Calculator

Solution

The fourth proportional to 82,865.40, 124,298.10 and 74,117.40 is: 111,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,865.40 : 124,298.10 = 74,117.40 : x
  2. Step 2: Convert to fraction form
    82,865.40/124,298.10 = 74,117.40/x
  3. Step 3: Cross multiply
    82,865.40x = 124,298.10 × 74,117.40
  4. Step 4: Simplify right side
    82,865.40x = 9,212,651,996.94
  5. Step 5: Solve for x
    x = 9,212,651,996.94/82,865.40
  6. Step 6: Final answer
    x = 111,176.10

Related Problems

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.