Home / 122,599.20-183,990.06-91,082.64

Finding the Fourth Proportional to 122,599.20, 183,990.06 and 91,082.64

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Solution

The fourth proportional to 122,599.20, 183,990.06 and 91,082.64 is: 136,691.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,599.20 : 183,990.06 = 91,082.64 : x
  2. Step 2: Convert to fraction form
    122,599.20/183,990.06 = 91,082.64/x
  3. Step 3: Cross multiply
    122,599.20x = 183,990.06 × 91,082.64
  4. Step 4: Simplify right side
    122,599.20x = 16,758,300,398.56
  5. Step 5: Solve for x
    x = 16,758,300,398.56/122,599.20
  6. Step 6: Final answer
    x = 136,691.76

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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.