Home / 131,958.98-182,187.60-86,717.24

Finding the Fourth Proportional to 131,958.98, 182,187.60 and 86,717.24

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Solution

The fourth proportional to 131,958.98, 182,187.60 and 86,717.24 is: 119,725.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,958.98 : 182,187.60 = 86,717.24 : x
  2. Step 2: Convert to fraction form
    131,958.98/182,187.60 = 86,717.24/x
  3. Step 3: Cross multiply
    131,958.98x = 182,187.60 × 86,717.24
  4. Step 4: Simplify right side
    131,958.98x = 15,798,805,834.22
  5. Step 5: Solve for x
    x = 15,798,805,834.22/131,958.98
  6. Step 6: Final answer
    x = 119,725.13

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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.