Home / 131,624.73-181,629.90-80,614.17

Finding the Fourth Proportional to 131,624.73, 181,629.90 and 80,614.17

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Solution

The fourth proportional to 131,624.73, 181,629.90 and 80,614.17 is: 111,240.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,624.73 : 181,629.90 = 80,614.17 : x
  2. Step 2: Convert to fraction form
    131,624.73/181,629.90 = 80,614.17/x
  3. Step 3: Cross multiply
    131,624.73x = 181,629.90 × 80,614.17
  4. Step 4: Simplify right side
    131,624.73x = 14,641,943,635.68
  5. Step 5: Solve for x
    x = 14,641,943,635.68/131,624.73
  6. Step 6: Final answer
    x = 111,240.07

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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.