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Finding the Fourth Proportional to 176,755, 243,881.48 and 100,255.82

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Solution

The fourth proportional to 176,755, 243,881.48 and 100,255.82 is: 138,330.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,755 : 243,881.48 = 100,255.82 : x
  2. Step 2: Convert to fraction form
    176,755/243,881.48 = 100,255.82/x
  3. Step 3: Cross multiply
    176,755x = 243,881.48 × 100,255.82
  4. Step 4: Simplify right side
    176,755x = 24,450,537,760.21
  5. Step 5: Solve for x
    x = 24,450,537,760.21/176,755
  6. Step 6: Final answer
    x = 138,330.11

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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.