Home / 124,849.80-187,274.70-82,859.40

Finding the Fourth Proportional to 124,849.80, 187,274.70 and 82,859.40

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Solution

The fourth proportional to 124,849.80, 187,274.70 and 82,859.40 is: 124,289.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,849.80 : 187,274.70 = 82,859.40 : x
  2. Step 2: Convert to fraction form
    124,849.80/187,274.70 = 82,859.40/x
  3. Step 3: Cross multiply
    124,849.80x = 187,274.70 × 82,859.40
  4. Step 4: Simplify right side
    124,849.80x = 15,517,469,277.18
  5. Step 5: Solve for x
    x = 15,517,469,277.18/124,849.80
  6. Step 6: Final answer
    x = 124,289.10

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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.