Home / 135,307.38-202,964.72-60,409.92

Finding the Fourth Proportional to 135,307.38, 202,964.72 and 60,409.92

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Solution

The fourth proportional to 135,307.38, 202,964.72 and 60,409.92 is: 90,616.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,307.38 : 202,964.72 = 60,409.92 : x
  2. Step 2: Convert to fraction form
    135,307.38/202,964.72 = 60,409.92/x
  3. Step 3: Cross multiply
    135,307.38x = 202,964.72 × 60,409.92
  4. Step 4: Simplify right side
    135,307.38x = 12,261,082,498.02
  5. Step 5: Solve for x
    x = 12,261,082,498.02/135,307.38
  6. Step 6: Final answer
    x = 90,616.51

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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.