Home / 118,470.20-177,423.42-68,446.76

Finding the Fourth Proportional to 118,470.20, 177,423.42 and 68,446.76

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Solution

The fourth proportional to 118,470.20, 177,423.42 and 68,446.76 is: 102,507.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,470.20 : 177,423.42 = 68,446.76 : x
  2. Step 2: Convert to fraction form
    118,470.20/177,423.42 = 68,446.76/x
  3. Step 3: Cross multiply
    118,470.20x = 177,423.42 × 68,446.76
  4. Step 4: Simplify right side
    118,470.20x = 12,144,058,247.12
  5. Step 5: Solve for x
    x = 12,144,058,247.12/118,470.20
  6. Step 6: Final answer
    x = 102,507.28

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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.