Home / 136,082.07-187,776.86-75,644.96

Finding the Fourth Proportional to 136,082.07, 187,776.86 and 75,644.96

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Solution

The fourth proportional to 136,082.07, 187,776.86 and 75,644.96 is: 104,380.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,082.07 : 187,776.86 = 75,644.96 : x
  2. Step 2: Convert to fraction form
    136,082.07/187,776.86 = 75,644.96/x
  3. Step 3: Cross multiply
    136,082.07x = 187,776.86 × 75,644.96
  4. Step 4: Simplify right side
    136,082.07x = 14,204,371,746.52
  5. Step 5: Solve for x
    x = 14,204,371,746.52/136,082.07
  6. Step 6: Final answer
    x = 104,380.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.