Home / 155,125.62-232,738.60-76,184.50

Finding the Fourth Proportional to 155,125.62, 232,738.60 and 76,184.50

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Solution

The fourth proportional to 155,125.62, 232,738.60 and 76,184.50 is: 114,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,125.62 : 232,738.60 = 76,184.50 : x
  2. Step 2: Convert to fraction form
    155,125.62/232,738.60 = 76,184.50/x
  3. Step 3: Cross multiply
    155,125.62x = 232,738.60 × 76,184.50
  4. Step 4: Simplify right side
    155,125.62x = 17,731,073,871.70
  5. Step 5: Solve for x
    x = 17,731,073,871.70/155,125.62
  6. Step 6: Final answer
    x = 114,301.39

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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.