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Finding the Fourth Proportional to 186,097.96, 279,105.54 and 52,975.72

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Solution

The fourth proportional to 186,097.96, 279,105.54 and 52,975.72 is: 79,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,097.96 : 279,105.54 = 52,975.72 : x
  2. Step 2: Convert to fraction form
    186,097.96/279,105.54 = 52,975.72/x
  3. Step 3: Cross multiply
    186,097.96x = 279,105.54 × 52,975.72
  4. Step 4: Simplify right side
    186,097.96x = 14,785,816,937.49
  5. Step 5: Solve for x
    x = 14,785,816,937.49/186,097.96
  6. Step 6: Final answer
    x = 79,451.79

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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.