Home / 126,155.12-189,232.67-59,601.94

Finding the Fourth Proportional to 126,155.12, 189,232.67 and 59,601.94

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Solution

The fourth proportional to 126,155.12, 189,232.67 and 59,601.94 is: 89,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,155.12 : 189,232.67 = 59,601.94 : x
  2. Step 2: Convert to fraction form
    126,155.12/189,232.67 = 59,601.94/x
  3. Step 3: Cross multiply
    126,155.12x = 189,232.67 × 59,601.94
  4. Step 4: Simplify right side
    126,155.12x = 11,278,633,919.30
  5. Step 5: Solve for x
    x = 11,278,633,919.30/126,155.12
  6. Step 6: Final answer
    x = 89,402.91

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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.