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Finding the Fourth Proportional to 177,861.52, 245,456.76 and 102,434.32

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Solution

The fourth proportional to 177,861.52, 245,456.76 and 102,434.32 is: 141,363.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,861.52 : 245,456.76 = 102,434.32 : x
  2. Step 2: Convert to fraction form
    177,861.52/245,456.76 = 102,434.32/x
  3. Step 3: Cross multiply
    177,861.52x = 245,456.76 × 102,434.32
  4. Step 4: Simplify right side
    177,861.52x = 25,143,196,300.00
  5. Step 5: Solve for x
    x = 25,143,196,300.00/177,861.52
  6. Step 6: Final answer
    x = 141,363.89

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.