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Finding the Fourth Proportional to 162,523.40, 243,785.10 and 136,279.40

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Solution

The fourth proportional to 162,523.40, 243,785.10 and 136,279.40 is: 204,419.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,523.40 : 243,785.10 = 136,279.40 : x
  2. Step 2: Convert to fraction form
    162,523.40/243,785.10 = 136,279.40/x
  3. Step 3: Cross multiply
    162,523.40x = 243,785.10 × 136,279.40
  4. Step 4: Simplify right side
    162,523.40x = 33,222,887,156.94
  5. Step 5: Solve for x
    x = 33,222,887,156.94/162,523.40
  6. Step 6: Final answer
    x = 204,419.10

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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.