Home / 108,888.18-150,265.17-61,145.70

Finding the Fourth Proportional to 108,888.18, 150,265.17 and 61,145.70

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Solution

The fourth proportional to 108,888.18, 150,265.17 and 61,145.70 is: 84,380.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,888.18 : 150,265.17 = 61,145.70 : x
  2. Step 2: Convert to fraction form
    108,888.18/150,265.17 = 61,145.70/x
  3. Step 3: Cross multiply
    108,888.18x = 150,265.17 × 61,145.70
  4. Step 4: Simplify right side
    108,888.18x = 9,188,069,005.27
  5. Step 5: Solve for x
    x = 9,188,069,005.27/108,888.18
  6. Step 6: Final answer
    x = 84,380.77

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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.