Home / 108,781.16-150,115.68-60,380.28

Finding the Fourth Proportional to 108,781.16, 150,115.68 and 60,380.28

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Solution

The fourth proportional to 108,781.16, 150,115.68 and 60,380.28 is: 83,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,781.16 : 150,115.68 = 60,380.28 : x
  2. Step 2: Convert to fraction form
    108,781.16/150,115.68 = 60,380.28/x
  3. Step 3: Cross multiply
    108,781.16x = 150,115.68 × 60,380.28
  4. Step 4: Simplify right side
    108,781.16x = 9,064,026,790.79
  5. Step 5: Solve for x
    x = 9,064,026,790.79/108,781.16
  6. Step 6: Final answer
    x = 83,323.50

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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.