Home / 440,660.50-660,989.13-125,117.44

Finding the Fourth Proportional to 440,660.50, 660,989.13 and 125,117.44

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Solution

The fourth proportional to 440,660.50, 660,989.13 and 125,117.44 is: 187,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,660.50 : 660,989.13 = 125,117.44 : x
  2. Step 2: Convert to fraction form
    440,660.50/660,989.13 = 125,117.44/x
  3. Step 3: Cross multiply
    440,660.50x = 660,989.13 × 125,117.44
  4. Step 4: Simplify right side
    440,660.50x = 82,701,267,813.43
  5. Step 5: Solve for x
    x = 82,701,267,813.43/440,660.50
  6. Step 6: Final answer
    x = 187,675.70

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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.