Home / 136,155.06-187,900.92-75,726.88

Finding the Fourth Proportional to 136,155.06, 187,900.92 and 75,726.88

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Solution

The fourth proportional to 136,155.06, 187,900.92 and 75,726.88 is: 104,506.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,155.06 : 187,900.92 = 75,726.88 : x
  2. Step 2: Convert to fraction form
    136,155.06/187,900.92 = 75,726.88/x
  3. Step 3: Cross multiply
    136,155.06x = 187,900.92 × 75,726.88
  4. Step 4: Simplify right side
    136,155.06x = 14,229,150,420.73
  5. Step 5: Solve for x
    x = 14,229,150,420.73/136,155.06
  6. Step 6: Final answer
    x = 104,506.95

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1.5x scale

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.