Home / 138,276.32-207,495.12-58,309.44

Finding the Fourth Proportional to 138,276.32, 207,495.12 and 58,309.44

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Solution

The fourth proportional to 138,276.32, 207,495.12 and 58,309.44 is: 87,498.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,276.32 : 207,495.12 = 58,309.44 : x
  2. Step 2: Convert to fraction form
    138,276.32/207,495.12 = 58,309.44/x
  3. Step 3: Cross multiply
    138,276.32x = 207,495.12 × 58,309.44
  4. Step 4: Simplify right side
    138,276.32x = 12,098,924,249.93
  5. Step 5: Solve for x
    x = 12,098,924,249.93/138,276.32
  6. Step 6: Final answer
    x = 87,498.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.