Home / 131,233.98-181,102.84-71,617.98

Finding the Fourth Proportional to 131,233.98, 181,102.84 and 71,617.98

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Solution

The fourth proportional to 131,233.98, 181,102.84 and 71,617.98 is: 98,832.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,233.98 : 181,102.84 = 71,617.98 : x
  2. Step 2: Convert to fraction form
    131,233.98/181,102.84 = 71,617.98/x
  3. Step 3: Cross multiply
    131,233.98x = 181,102.84 × 71,617.98
  4. Step 4: Simplify right side
    131,233.98x = 12,970,218,488.50
  5. Step 5: Solve for x
    x = 12,970,218,488.50/131,233.98
  6. Step 6: Final answer
    x = 98,832.78

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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.