Home / 131,663.79-197,515.17-38,157.39

Finding the Fourth Proportional to 131,663.79, 197,515.17 and 38,157.39

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Solution

The fourth proportional to 131,663.79, 197,515.17 and 38,157.39 is: 57,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,663.79 : 197,515.17 = 38,157.39 : x
  2. Step 2: Convert to fraction form
    131,663.79/197,515.17 = 38,157.39/x
  3. Step 3: Cross multiply
    131,663.79x = 197,515.17 × 38,157.39
  4. Step 4: Simplify right side
    131,663.79x = 7,536,663,372.61
  5. Step 5: Solve for x
    x = 7,536,663,372.61/131,663.79
  6. Step 6: Final answer
    x = 57,241.73

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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.