Home / 131,986.92-197,988.48-53,101.08

Finding the Fourth Proportional to 131,986.92, 197,988.48 and 53,101.08

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Solution

The fourth proportional to 131,986.92, 197,988.48 and 53,101.08 is: 79,654.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,986.92 : 197,988.48 = 53,101.08 : x
  2. Step 2: Convert to fraction form
    131,986.92/197,988.48 = 53,101.08/x
  3. Step 3: Cross multiply
    131,986.92x = 197,988.48 × 53,101.08
  4. Step 4: Simplify right side
    131,986.92x = 10,513,402,115.56
  5. Step 5: Solve for x
    x = 10,513,402,115.56/131,986.92
  6. Step 6: Final answer
    x = 79,654.88

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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.