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Finding the Fourth Proportional to 136,002.80, 203,874.60 and 106,000.40

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Solution

The fourth proportional to 136,002.80, 203,874.60 and 106,000.40 is: 158,899.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,002.80 : 203,874.60 = 106,000.40 : x
  2. Step 2: Convert to fraction form
    136,002.80/203,874.60 = 106,000.40/x
  3. Step 3: Cross multiply
    136,002.80x = 203,874.60 × 106,000.40
  4. Step 4: Simplify right side
    136,002.80x = 21,610,789,149.84
  5. Step 5: Solve for x
    x = 21,610,789,149.84/136,002.80
  6. Step 6: Final answer
    x = 158,899.59

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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.