Home / 131,901.79-182,013.69-74,546.30

Finding the Fourth Proportional to 131,901.79, 182,013.69 and 74,546.30

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Solution

The fourth proportional to 131,901.79, 182,013.69 and 74,546.30 is: 102,867.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,901.79 : 182,013.69 = 74,546.30 : x
  2. Step 2: Convert to fraction form
    131,901.79/182,013.69 = 74,546.30/x
  3. Step 3: Cross multiply
    131,901.79x = 182,013.69 × 74,546.30
  4. Step 4: Simplify right side
    131,901.79x = 13,568,446,228.78
  5. Step 5: Solve for x
    x = 13,568,446,228.78/131,901.79
  6. Step 6: Final answer
    x = 102,867.80

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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.