Home / 185,007.80-277,641.30-79,902.20

Finding the Fourth Proportional to 185,007.80, 277,641.30 and 79,902.20

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Solution

The fourth proportional to 185,007.80, 277,641.30 and 79,902.20 is: 119,909.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,007.80 : 277,641.30 = 79,902.20 : x
  2. Step 2: Convert to fraction form
    185,007.80/277,641.30 = 79,902.20/x
  3. Step 3: Cross multiply
    185,007.80x = 277,641.30 × 79,902.20
  4. Step 4: Simplify right side
    185,007.80x = 22,184,150,680.86
  5. Step 5: Solve for x
    x = 22,184,150,680.86/185,007.80
  6. Step 6: Final answer
    x = 119,909.27

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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.