Home / 131,789.23-181,826.27-84,057.95

Finding the Fourth Proportional to 131,789.23, 181,826.27 and 84,057.95

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Solution

The fourth proportional to 131,789.23, 181,826.27 and 84,057.95 is: 115,972.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,789.23 : 181,826.27 = 84,057.95 : x
  2. Step 2: Convert to fraction form
    131,789.23/181,826.27 = 84,057.95/x
  3. Step 3: Cross multiply
    131,789.23x = 181,826.27 × 84,057.95
  4. Step 4: Simplify right side
    131,789.23x = 15,283,943,861.84
  5. Step 5: Solve for x
    x = 15,283,943,861.84/131,789.23
  6. Step 6: Final answer
    x = 115,972.63

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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.