Home / 97,306.92-134,359.56-76,146.48

Finding the Fourth Proportional to 97,306.92, 134,359.56 and 76,146.48

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Solution

The fourth proportional to 97,306.92, 134,359.56 and 76,146.48 is: 105,141.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,306.92 : 134,359.56 = 76,146.48 : x
  2. Step 2: Convert to fraction form
    97,306.92/134,359.56 = 76,146.48/x
  3. Step 3: Cross multiply
    97,306.92x = 134,359.56 × 76,146.48
  4. Step 4: Simplify right side
    97,306.92x = 10,231,007,548.35
  5. Step 5: Solve for x
    x = 10,231,007,548.35/97,306.92
  6. Step 6: Final answer
    x = 105,141.62

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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.