Home / 135,996.32-203,557.92-72,658.16

Finding the Fourth Proportional to 135,996.32, 203,557.92 and 72,658.16

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Solution

The fourth proportional to 135,996.32, 203,557.92 and 72,658.16 is: 108,754.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,996.32 : 203,557.92 = 72,658.16 : x
  2. Step 2: Convert to fraction form
    135,996.32/203,557.92 = 72,658.16/x
  3. Step 3: Cross multiply
    135,996.32x = 203,557.92 × 72,658.16
  4. Step 4: Simplify right side
    135,996.32x = 14,790,143,920.63
  5. Step 5: Solve for x
    x = 14,790,143,920.63/135,996.32
  6. Step 6: Final answer
    x = 108,754.00

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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.