Home / 155,188.20-232,918.38-88,761.72

Finding the Fourth Proportional to 155,188.20, 232,918.38 and 88,761.72

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Solution

The fourth proportional to 155,188.20, 232,918.38 and 88,761.72 is: 133,220.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,188.20 : 232,918.38 = 88,761.72 : x
  2. Step 2: Convert to fraction form
    155,188.20/232,918.38 = 88,761.72/x
  3. Step 3: Cross multiply
    155,188.20x = 232,918.38 × 88,761.72
  4. Step 4: Simplify right side
    155,188.20x = 20,674,236,028.41
  5. Step 5: Solve for x
    x = 20,674,236,028.41/155,188.20
  6. Step 6: Final answer
    x = 133,220.41

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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.