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Finding the Fourth Proportional to 136,149.40, 204,224.10 and 66,165.40

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Solution

The fourth proportional to 136,149.40, 204,224.10 and 66,165.40 is: 99,248.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,149.40 : 204,224.10 = 66,165.40 : x
  2. Step 2: Convert to fraction form
    136,149.40/204,224.10 = 66,165.40/x
  3. Step 3: Cross multiply
    136,149.40x = 204,224.10 × 66,165.40
  4. Step 4: Simplify right side
    136,149.40x = 13,512,569,266.14
  5. Step 5: Solve for x
    x = 13,512,569,266.14/136,149.40
  6. Step 6: Final answer
    x = 99,248.10

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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.