Home / 155,002.76-231,899.85-135,875.55

Finding the Fourth Proportional to 155,002.76, 231,899.85 and 135,875.55

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Solution

The fourth proportional to 155,002.76, 231,899.85 and 135,875.55 is: 203,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,002.76 : 231,899.85 = 135,875.55 : x
  2. Step 2: Convert to fraction form
    155,002.76/231,899.85 = 135,875.55/x
  3. Step 3: Cross multiply
    155,002.76x = 231,899.85 × 135,875.55
  4. Step 4: Simplify right side
    155,002.76x = 31,509,520,318.33
  5. Step 5: Solve for x
    x = 31,509,520,318.33/155,002.76
  6. Step 6: Final answer
    x = 203,283.61

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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.