Home / 156,092.61-215,417.54-88,121.10

Finding the Fourth Proportional to 156,092.61, 215,417.54 and 88,121.10

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Solution

The fourth proportional to 156,092.61, 215,417.54 and 88,121.10 is: 121,612.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,092.61 : 215,417.54 = 88,121.10 : x
  2. Step 2: Convert to fraction form
    156,092.61/215,417.54 = 88,121.10/x
  3. Step 3: Cross multiply
    156,092.61x = 215,417.54 × 88,121.10
  4. Step 4: Simplify right side
    156,092.61x = 18,982,830,143.49
  5. Step 5: Solve for x
    x = 18,982,830,143.49/156,092.61
  6. Step 6: Final answer
    x = 121,612.61

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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.