Home / 131,727.88-181,767.54-75,135.88

Finding the Fourth Proportional to 131,727.88, 181,767.54 and 75,135.88

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Solution

The fourth proportional to 131,727.88, 181,767.54 and 75,135.88 is: 103,677.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,727.88 : 181,767.54 = 75,135.88 : x
  2. Step 2: Convert to fraction form
    131,727.88/181,767.54 = 75,135.88/x
  3. Step 3: Cross multiply
    131,727.88x = 181,767.54 × 75,135.88
  4. Step 4: Simplify right side
    131,727.88x = 13,657,264,073.34
  5. Step 5: Solve for x
    x = 13,657,264,073.34/131,727.88
  6. Step 6: Final answer
    x = 103,677.86

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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.