Home / 105,469.25-158,225.03-38,909.73

Finding the Fourth Proportional to 105,469.25, 158,225.03 and 38,909.73

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Solution

The fourth proportional to 105,469.25, 158,225.03 and 38,909.73 is: 58,372.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,469.25 : 158,225.03 = 38,909.73 : x
  2. Step 2: Convert to fraction form
    105,469.25/158,225.03 = 38,909.73/x
  3. Step 3: Cross multiply
    105,469.25x = 158,225.03 × 38,909.73
  4. Step 4: Simplify right side
    105,469.25x = 6,156,493,196.54
  5. Step 5: Solve for x
    x = 6,156,493,196.54/105,469.25
  6. Step 6: Final answer
    x = 58,372.40

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1.5x scale

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.