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Finding the Fourth Proportional to 187,148.63, 280,725.39 and 62,489.63

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Solution

The fourth proportional to 187,148.63, 280,725.39 and 62,489.63 is: 93,735.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,148.63 : 280,725.39 = 62,489.63 : x
  2. Step 2: Convert to fraction form
    187,148.63/280,725.39 = 62,489.63/x
  3. Step 3: Cross multiply
    187,148.63x = 280,725.39 × 62,489.63
  4. Step 4: Simplify right side
    187,148.63x = 17,542,424,349.08
  5. Step 5: Solve for x
    x = 17,542,424,349.08/187,148.63
  6. Step 6: Final answer
    x = 93,735.26

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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.