Home / 156,374.27-215,793.01-88,382.20

Finding the Fourth Proportional to 156,374.27, 215,793.01 and 88,382.20

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Solution

The fourth proportional to 156,374.27, 215,793.01 and 88,382.20 is: 121,965.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,374.27 : 215,793.01 = 88,382.20 : x
  2. Step 2: Convert to fraction form
    156,374.27/215,793.01 = 88,382.20/x
  3. Step 3: Cross multiply
    156,374.27x = 215,793.01 × 88,382.20
  4. Step 4: Simplify right side
    156,374.27x = 19,072,260,968.42
  5. Step 5: Solve for x
    x = 19,072,260,968.42/156,374.27
  6. Step 6: Final answer
    x = 121,965.47

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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.