Home / 141,340.40-212,010.60-82,242.80

Finding the Fourth Proportional to 141,340.40, 212,010.60 and 82,242.80

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Solution

The fourth proportional to 141,340.40, 212,010.60 and 82,242.80 is: 123,364.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,340.40 : 212,010.60 = 82,242.80 : x
  2. Step 2: Convert to fraction form
    141,340.40/212,010.60 = 82,242.80/x
  3. Step 3: Cross multiply
    141,340.40x = 212,010.60 × 82,242.80
  4. Step 4: Simplify right side
    141,340.40x = 17,436,345,373.68
  5. Step 5: Solve for x
    x = 17,436,345,373.68/141,340.40
  6. Step 6: Final answer
    x = 123,364.20

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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.