Home / 155,331.54-214,099.11-109,951.29

Finding the Fourth Proportional to 155,331.54, 214,099.11 and 109,951.29

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Solution

The fourth proportional to 155,331.54, 214,099.11 and 109,951.29 is: 151,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,331.54 : 214,099.11 = 109,951.29 : x
  2. Step 2: Convert to fraction form
    155,331.54/214,099.11 = 109,951.29/x
  3. Step 3: Cross multiply
    155,331.54x = 214,099.11 × 109,951.29
  4. Step 4: Simplify right side
    155,331.54x = 23,540,473,332.35
  5. Step 5: Solve for x
    x = 23,540,473,332.35/155,331.54
  6. Step 6: Final answer
    x = 151,549.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.