Home / 131,398.92-197,090.18-52,456.42

Finding the Fourth Proportional to 131,398.92, 197,090.18 and 52,456.42

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Solution

The fourth proportional to 131,398.92, 197,090.18 and 52,456.42 is: 78,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,398.92 : 197,090.18 = 52,456.42 : x
  2. Step 2: Convert to fraction form
    131,398.92/197,090.18 = 52,456.42/x
  3. Step 3: Cross multiply
    131,398.92x = 197,090.18 × 52,456.42
  4. Step 4: Simplify right side
    131,398.92x = 10,338,645,259.96
  5. Step 5: Solve for x
    x = 10,338,645,259.96/131,398.92
  6. Step 6: Final answer
    x = 78,681.36

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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.