Home / 108,862.12-150,229.60-61,115.56

Finding the Fourth Proportional to 108,862.12, 150,229.60 and 61,115.56

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Solution

The fourth proportional to 108,862.12, 150,229.60 and 61,115.56 is: 84,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,862.12 : 150,229.60 = 61,115.56 : x
  2. Step 2: Convert to fraction form
    108,862.12/150,229.60 = 61,115.56/x
  3. Step 3: Cross multiply
    108,862.12x = 150,229.60 × 61,115.56
  4. Step 4: Simplify right side
    108,862.12x = 9,181,366,132.58
  5. Step 5: Solve for x
    x = 9,181,366,132.58/108,862.12
  6. Step 6: Final answer
    x = 84,339.40

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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.