Home / 104,363.80-156,315.30-42,002.20

Finding the Fourth Proportional to 104,363.80, 156,315.30 and 42,002.20

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Solution

The fourth proportional to 104,363.80, 156,315.30 and 42,002.20 is: 62,910.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,363.80 : 156,315.30 = 42,002.20 : x
  2. Step 2: Convert to fraction form
    104,363.80/156,315.30 = 42,002.20/x
  3. Step 3: Cross multiply
    104,363.80x = 156,315.30 × 42,002.20
  4. Step 4: Simplify right side
    104,363.80x = 6,565,586,493.66
  5. Step 5: Solve for x
    x = 6,565,586,493.66/104,363.80
  6. Step 6: Final answer
    x = 62,910.57

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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.