Home / 156,046.68-215,344.33-88,077.91

Finding the Fourth Proportional to 156,046.68, 215,344.33 and 88,077.91

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Solution

The fourth proportional to 156,046.68, 215,344.33 and 88,077.91 is: 121,547.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,046.68 : 215,344.33 = 88,077.91 : x
  2. Step 2: Convert to fraction form
    156,046.68/215,344.33 = 88,077.91/x
  3. Step 3: Cross multiply
    156,046.68x = 215,344.33 × 88,077.91
  4. Step 4: Simplify right side
    156,046.68x = 18,967,078,516.75
  5. Step 5: Solve for x
    x = 18,967,078,516.75/156,046.68
  6. Step 6: Final answer
    x = 121,547.47

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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.