Home / 141,846.30-212,769.45-82,748.70

Finding the Fourth Proportional to 141,846.30, 212,769.45 and 82,748.70

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Solution

The fourth proportional to 141,846.30, 212,769.45 and 82,748.70 is: 124,123.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,846.30 : 212,769.45 = 82,748.70 : x
  2. Step 2: Convert to fraction form
    141,846.30/212,769.45 = 82,748.70/x
  3. Step 3: Cross multiply
    141,846.30x = 212,769.45 × 82,748.70
  4. Step 4: Simplify right side
    141,846.30x = 17,606,395,387.22
  5. Step 5: Solve for x
    x = 17,606,395,387.22/141,846.30
  6. Step 6: Final answer
    x = 124,123.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.