Home / 125,621.22-173,355.24-69,031.38

Finding the Fourth Proportional to 125,621.22, 173,355.24 and 69,031.38

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Solution

The fourth proportional to 125,621.22, 173,355.24 and 69,031.38 is: 95,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,621.22 : 173,355.24 = 69,031.38 : x
  2. Step 2: Convert to fraction form
    125,621.22/173,355.24 = 69,031.38/x
  3. Step 3: Cross multiply
    125,621.22x = 173,355.24 × 69,031.38
  4. Step 4: Simplify right side
    125,621.22x = 11,966,951,447.43
  5. Step 5: Solve for x
    x = 11,966,951,447.43/125,621.22
  6. Step 6: Final answer
    x = 95,262.18

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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.