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Finding the Fourth Proportional to 144,963.59, 200,060.71 and 80,445.04

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Solution

The fourth proportional to 144,963.59, 200,060.71 and 80,445.04 is: 111,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,963.59 : 200,060.71 = 80,445.04 : x
  2. Step 2: Convert to fraction form
    144,963.59/200,060.71 = 80,445.04/x
  3. Step 3: Cross multiply
    144,963.59x = 200,060.71 × 80,445.04
  4. Step 4: Simplify right side
    144,963.59x = 16,093,891,906.04
  5. Step 5: Solve for x
    x = 16,093,891,906.04/144,963.59
  6. Step 6: Final answer
    x = 111,020.24

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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.