Home / 187,148.26-280,740.10-52,221.28

Finding the Fourth Proportional to 187,148.26, 280,740.10 and 52,221.28

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Solution

The fourth proportional to 187,148.26, 280,740.10 and 52,221.28 is: 78,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,148.26 : 280,740.10 = 52,221.28 : x
  2. Step 2: Convert to fraction form
    187,148.26/280,740.10 = 52,221.28/x
  3. Step 3: Cross multiply
    187,148.26x = 280,740.10 × 52,221.28
  4. Step 4: Simplify right side
    187,148.26x = 14,660,607,369.33
  5. Step 5: Solve for x
    x = 14,660,607,369.33/187,148.26
  6. Step 6: Final answer
    x = 78,336.86

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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.