Home / 131,562.62-181,639.43-91,262.28

Finding the Fourth Proportional to 131,562.62, 181,639.43 and 91,262.28

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Solution

The fourth proportional to 131,562.62, 181,639.43 and 91,262.28 is: 125,999.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,562.62 : 181,639.43 = 91,262.28 : x
  2. Step 2: Convert to fraction form
    131,562.62/181,639.43 = 91,262.28/x
  3. Step 3: Cross multiply
    131,562.62x = 181,639.43 × 91,262.28
  4. Step 4: Simplify right side
    131,562.62x = 16,576,828,519.70
  5. Step 5: Solve for x
    x = 16,576,828,519.70/131,562.62
  6. Step 6: Final answer
    x = 125,999.53

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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.