Home / 155,002.82-232,287.70-83,771.90

Finding the Fourth Proportional to 155,002.82, 232,287.70 and 83,771.90

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Solution

The fourth proportional to 155,002.82, 232,287.70 and 83,771.90 is: 125,540.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,002.82 : 232,287.70 = 83,771.90 : x
  2. Step 2: Convert to fraction form
    155,002.82/232,287.70 = 83,771.90/x
  3. Step 3: Cross multiply
    155,002.82x = 232,287.70 × 83,771.90
  4. Step 4: Simplify right side
    155,002.82x = 19,459,181,975.63
  5. Step 5: Solve for x
    x = 19,459,181,975.63/155,002.82
  6. Step 6: Final answer
    x = 125,540.83

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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.