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Finding the Fourth Proportional to 118,022.66, 176,864.80 and 94,401.64

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Solution

The fourth proportional to 118,022.66, 176,864.80 and 94,401.64 is: 141,467.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,022.66 : 176,864.80 = 94,401.64 : x
  2. Step 2: Convert to fraction form
    118,022.66/176,864.80 = 94,401.64/x
  3. Step 3: Cross multiply
    118,022.66x = 176,864.80 × 94,401.64
  4. Step 4: Simplify right side
    118,022.66x = 16,696,327,178.27
  5. Step 5: Solve for x
    x = 16,696,327,178.27/118,022.66
  6. Step 6: Final answer
    x = 141,467.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.