Home / 141,202.72-194,861.12-77,541.88

Finding the Fourth Proportional to 141,202.72, 194,861.12 and 77,541.88

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Solution

The fourth proportional to 141,202.72, 194,861.12 and 77,541.88 is: 107,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,202.72 : 194,861.12 = 77,541.88 : x
  2. Step 2: Convert to fraction form
    141,202.72/194,861.12 = 77,541.88/x
  3. Step 3: Cross multiply
    141,202.72x = 194,861.12 × 77,541.88
  4. Step 4: Simplify right side
    141,202.72x = 15,109,897,583.71
  5. Step 5: Solve for x
    x = 15,109,897,583.71/141,202.72
  6. Step 6: Final answer
    x = 107,008.54

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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.