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Finding the Fourth Proportional to 176,052.64, 242,945.92 and 95,478.72

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Solution

The fourth proportional to 176,052.64, 242,945.92 and 95,478.72 is: 131,756.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,052.64 : 242,945.92 = 95,478.72 : x
  2. Step 2: Convert to fraction form
    176,052.64/242,945.92 = 95,478.72/x
  3. Step 3: Cross multiply
    176,052.64x = 242,945.92 × 95,478.72
  4. Step 4: Simplify right side
    176,052.64x = 23,196,165,470.82
  5. Step 5: Solve for x
    x = 23,196,165,470.82/176,052.64
  6. Step 6: Final answer
    x = 131,756.99

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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.