Home / 103,630.40-155,438.85-27,727.91

Finding the Fourth Proportional to 103,630.40, 155,438.85 and 27,727.91

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Solution

The fourth proportional to 103,630.40, 155,438.85 and 27,727.91 is: 41,590.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,630.40 : 155,438.85 = 27,727.91 : x
  2. Step 2: Convert to fraction form
    103,630.40/155,438.85 = 27,727.91/x
  3. Step 3: Cross multiply
    103,630.40x = 155,438.85 × 27,727.91
  4. Step 4: Simplify right side
    103,630.40x = 4,309,994,443.30
  5. Step 5: Solve for x
    x = 4,309,994,443.30/103,630.40
  6. Step 6: Final answer
    x = 41,590.06

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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.