Home / 185,002.20-277,454.68-79,797.78

Finding the Fourth Proportional to 185,002.20, 277,454.68 and 79,797.78

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Solution

The fourth proportional to 185,002.20, 277,454.68 and 79,797.78 is: 119,675.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,002.20 : 277,454.68 = 79,797.78 : x
  2. Step 2: Convert to fraction form
    185,002.20/277,454.68 = 79,797.78/x
  3. Step 3: Cross multiply
    185,002.20x = 277,454.68 × 79,797.78
  4. Step 4: Simplify right side
    185,002.20x = 22,140,267,315.12
  5. Step 5: Solve for x
    x = 22,140,267,315.12/185,002.20
  6. Step 6: Final answer
    x = 119,675.70

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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.