Home / 112,914-169,371-39,042

Finding the Fourth Proportional to 112,914, 169,371 and 39,042

Calculator

Solution

The fourth proportional to 112,914, 169,371 and 39,042 is: 58,563

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,914 : 169,371 = 39,042 : x
  2. Step 2: Convert to fraction form
    112,914/169,371 = 39,042/x
  3. Step 3: Cross multiply
    112,914x = 169,371 × 39,042
  4. Step 4: Simplify right side
    112,914x = 6,612,582,582
  5. Step 5: Solve for x
    x = 6,612,582,582/112,914
  6. Step 6: Final answer
    x = 58,563

Related Problems

Find fourth proportional to 56,457, 84,685.50 and 19,521
Half scale
Find fourth proportional to 225,828, 338,742 and 78,084
Double scale
Find fourth proportional to 112,915, 169,372.50 and 39,043
Similar ratio
Find fourth proportional to 169,371, 254,056.50 and 58,563
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.