Home / 141,809.40-212,276.70-82,468.80

Finding the Fourth Proportional to 141,809.40, 212,276.70 and 82,468.80

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Solution

The fourth proportional to 141,809.40, 212,276.70 and 82,468.80 is: 123,448.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,809.40 : 212,276.70 = 82,468.80 : x
  2. Step 2: Convert to fraction form
    141,809.40/212,276.70 = 82,468.80/x
  3. Step 3: Cross multiply
    141,809.40x = 212,276.70 × 82,468.80
  4. Step 4: Simplify right side
    141,809.40x = 17,506,204,716.96
  5. Step 5: Solve for x
    x = 17,506,204,716.96/141,809.40
  6. Step 6: Final answer
    x = 123,448.83

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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.