Home / 238,122.20-357,135.71-111,729.93

Finding the Fourth Proportional to 238,122.20, 357,135.71 and 111,729.93

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Solution

The fourth proportional to 238,122.20, 357,135.71 and 111,729.93 is: 167,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,122.20 : 357,135.71 = 111,729.93 : x
  2. Step 2: Convert to fraction form
    238,122.20/357,135.71 = 111,729.93/x
  3. Step 3: Cross multiply
    238,122.20x = 357,135.71 × 111,729.93
  4. Step 4: Simplify right side
    238,122.20x = 39,902,747,320.15
  5. Step 5: Solve for x
    x = 39,902,747,320.15/238,122.20
  6. Step 6: Final answer
    x = 167,572.57

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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.