Home / 155,512.50-214,633.17-117,721.14

Finding the Fourth Proportional to 155,512.50, 214,633.17 and 117,721.14

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Solution

The fourth proportional to 155,512.50, 214,633.17 and 117,721.14 is: 162,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,512.50 : 214,633.17 = 117,721.14 : x
  2. Step 2: Convert to fraction form
    155,512.50/214,633.17 = 117,721.14/x
  3. Step 3: Cross multiply
    155,512.50x = 214,633.17 × 117,721.14
  4. Step 4: Simplify right side
    155,512.50x = 25,266,861,454.21
  5. Step 5: Solve for x
    x = 25,266,861,454.21/155,512.50
  6. Step 6: Final answer
    x = 162,474.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.