Home / 124,839.80-187,259.70-82,849.40

Finding the Fourth Proportional to 124,839.80, 187,259.70 and 82,849.40

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Solution

The fourth proportional to 124,839.80, 187,259.70 and 82,849.40 is: 124,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,839.80 : 187,259.70 = 82,849.40 : x
  2. Step 2: Convert to fraction form
    124,839.80/187,259.70 = 82,849.40/x
  3. Step 3: Cross multiply
    124,839.80x = 187,259.70 × 82,849.40
  4. Step 4: Simplify right side
    124,839.80x = 15,514,353,789.18
  5. Step 5: Solve for x
    x = 15,514,353,789.18/124,839.80
  6. Step 6: Final answer
    x = 124,274.10

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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.