Home / 131,965.74-182,115-75,377.52

Finding the Fourth Proportional to 131,965.74, 182,115 and 75,377.52

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Solution

The fourth proportional to 131,965.74, 182,115 and 75,377.52 is: 104,022.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,965.74 : 182,115 = 75,377.52 : x
  2. Step 2: Convert to fraction form
    131,965.74/182,115 = 75,377.52/x
  3. Step 3: Cross multiply
    131,965.74x = 182,115 × 75,377.52
  4. Step 4: Simplify right side
    131,965.74x = 13,727,377,054.80
  5. Step 5: Solve for x
    x = 13,727,377,054.80/131,965.74
  6. Step 6: Final answer
    x = 104,022.28

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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.