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Finding the Fourth Proportional to 186,119.25, 279,042.77 and 59,687.52

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Solution

The fourth proportional to 186,119.25, 279,042.77 and 59,687.52 is: 89,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,119.25 : 279,042.77 = 59,687.52 : x
  2. Step 2: Convert to fraction form
    186,119.25/279,042.77 = 59,687.52/x
  3. Step 3: Cross multiply
    186,119.25x = 279,042.77 × 59,687.52
  4. Step 4: Simplify right side
    186,119.25x = 16,655,370,616.79
  5. Step 5: Solve for x
    x = 16,655,370,616.79/186,119.25
  6. Step 6: Final answer
    x = 89,487.63

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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.