Home / 131,786.98-181,791.75-83,373.88

Finding the Fourth Proportional to 131,786.98, 181,791.75 and 83,373.88

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Solution

The fourth proportional to 131,786.98, 181,791.75 and 83,373.88 is: 115,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,786.98 : 181,791.75 = 83,373.88 : x
  2. Step 2: Convert to fraction form
    131,786.98/181,791.75 = 83,373.88/x
  3. Step 3: Cross multiply
    131,786.98x = 181,791.75 × 83,373.88
  4. Step 4: Simplify right side
    131,786.98x = 15,156,683,549.49
  5. Step 5: Solve for x
    x = 15,156,683,549.49/131,786.98
  6. Step 6: Final answer
    x = 115,008.96

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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.