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Finding the Fourth Proportional to 134,200.70, 201,301.05 and 89,963.90

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Solution

The fourth proportional to 134,200.70, 201,301.05 and 89,963.90 is: 134,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,200.70 : 201,301.05 = 89,963.90 : x
  2. Step 2: Convert to fraction form
    134,200.70/201,301.05 = 89,963.90/x
  3. Step 3: Cross multiply
    134,200.70x = 201,301.05 × 89,963.90
  4. Step 4: Simplify right side
    134,200.70x = 18,109,827,532.10
  5. Step 5: Solve for x
    x = 18,109,827,532.10/134,200.70
  6. Step 6: Final answer
    x = 134,945.85

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Similar ratio
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1.5x scale

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.