Home / 113,209.77-156,231.10-62,227.22

Finding the Fourth Proportional to 113,209.77, 156,231.10 and 62,227.22

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Solution

The fourth proportional to 113,209.77, 156,231.10 and 62,227.22 is: 85,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,209.77 : 156,231.10 = 62,227.22 : x
  2. Step 2: Convert to fraction form
    113,209.77/156,231.10 = 62,227.22/x
  3. Step 3: Cross multiply
    113,209.77x = 156,231.10 × 62,227.22
  4. Step 4: Simplify right side
    113,209.77x = 9,721,827,030.54
  5. Step 5: Solve for x
    x = 9,721,827,030.54/113,209.77
  6. Step 6: Final answer
    x = 85,874.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.