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Finding the Fourth Proportional to 159,782.26, 220,504.13 and 88,166.90

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Solution

The fourth proportional to 159,782.26, 220,504.13 and 88,166.90 is: 121,672.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,782.26 : 220,504.13 = 88,166.90 : x
  2. Step 2: Convert to fraction form
    159,782.26/220,504.13 = 88,166.90/x
  3. Step 3: Cross multiply
    159,782.26x = 220,504.13 × 88,166.90
  4. Step 4: Simplify right side
    159,782.26x = 19,441,164,476.78
  5. Step 5: Solve for x
    x = 19,441,164,476.78/159,782.26
  6. Step 6: Final answer
    x = 121,672.86

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1.5x scale

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.