Home / 131,759.58-181,826.94-71,328.66

Finding the Fourth Proportional to 131,759.58, 181,826.94 and 71,328.66

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Solution

The fourth proportional to 131,759.58, 181,826.94 and 71,328.66 is: 98,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,759.58 : 181,826.94 = 71,328.66 : x
  2. Step 2: Convert to fraction form
    131,759.58/181,826.94 = 71,328.66/x
  3. Step 3: Cross multiply
    131,759.58x = 181,826.94 × 71,328.66
  4. Step 4: Simplify right side
    131,759.58x = 12,969,471,982.10
  5. Step 5: Solve for x
    x = 12,969,471,982.10/131,759.58
  6. Step 6: Final answer
    x = 98,432.86

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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.