Home / 156,077.46-215,387.62-88,097.30

Finding the Fourth Proportional to 156,077.46, 215,387.62 and 88,097.30

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Solution

The fourth proportional to 156,077.46, 215,387.62 and 88,097.30 is: 121,574.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,077.46 : 215,387.62 = 88,097.30 : x
  2. Step 2: Convert to fraction form
    156,077.46/215,387.62 = 88,097.30/x
  3. Step 3: Cross multiply
    156,077.46x = 215,387.62 × 88,097.30
  4. Step 4: Simplify right side
    156,077.46x = 18,975,067,775.43
  5. Step 5: Solve for x
    x = 18,975,067,775.43/156,077.46
  6. Step 6: Final answer
    x = 121,574.68

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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.