Home / 105,217.20-157,825.80-26,331.30

Finding the Fourth Proportional to 105,217.20, 157,825.80 and 26,331.30

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Solution

The fourth proportional to 105,217.20, 157,825.80 and 26,331.30 is: 39,496.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,217.20 : 157,825.80 = 26,331.30 : x
  2. Step 2: Convert to fraction form
    105,217.20/157,825.80 = 26,331.30/x
  3. Step 3: Cross multiply
    105,217.20x = 157,825.80 × 26,331.30
  4. Step 4: Simplify right side
    105,217.20x = 4,155,758,487.54
  5. Step 5: Solve for x
    x = 4,155,758,487.54/105,217.20
  6. Step 6: Final answer
    x = 39,496.95

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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.