Home / 131,173.30-181,046.04-83,417.41

Finding the Fourth Proportional to 131,173.30, 181,046.04 and 83,417.41

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Solution

The fourth proportional to 131,173.30, 181,046.04 and 83,417.41 is: 115,133.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,173.30 : 181,046.04 = 83,417.41 : x
  2. Step 2: Convert to fraction form
    131,173.30/181,046.04 = 83,417.41/x
  3. Step 3: Cross multiply
    131,173.30x = 181,046.04 × 83,417.41
  4. Step 4: Simplify right side
    131,173.30x = 15,102,391,747.56
  5. Step 5: Solve for x
    x = 15,102,391,747.56/131,173.30
  6. Step 6: Final answer
    x = 115,133.12

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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.