Home / 162,345.11-223,891.17-101,921.39

Finding the Fourth Proportional to 162,345.11, 223,891.17 and 101,921.39

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Solution

The fourth proportional to 162,345.11, 223,891.17 and 101,921.39 is: 140,560.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,345.11 : 223,891.17 = 101,921.39 : x
  2. Step 2: Convert to fraction form
    162,345.11/223,891.17 = 101,921.39/x
  3. Step 3: Cross multiply
    162,345.11x = 223,891.17 × 101,921.39
  4. Step 4: Simplify right side
    162,345.11x = 22,819,298,135.67
  5. Step 5: Solve for x
    x = 22,819,298,135.67/162,345.11
  6. Step 6: Final answer
    x = 140,560.43

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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.