Home / 185,205.24-277,617.17-72,839.91

Finding the Fourth Proportional to 185,205.24, 277,617.17 and 72,839.91

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Solution

The fourth proportional to 185,205.24, 277,617.17 and 72,839.91 is: 109,184.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,205.24 : 277,617.17 = 72,839.91 : x
  2. Step 2: Convert to fraction form
    185,205.24/277,617.17 = 72,839.91/x
  3. Step 3: Cross multiply
    185,205.24x = 277,617.17 × 72,839.91
  4. Step 4: Simplify right side
    185,205.24x = 20,221,609,677.25
  5. Step 5: Solve for x
    x = 20,221,609,677.25/185,205.24
  6. Step 6: Final answer
    x = 109,184.87

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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.