Home / 103,656.54-155,377.18-50,269.48

Finding the Fourth Proportional to 103,656.54, 155,377.18 and 50,269.48

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Solution

The fourth proportional to 103,656.54, 155,377.18 and 50,269.48 is: 75,352.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,656.54 : 155,377.18 = 50,269.48 : x
  2. Step 2: Convert to fraction form
    103,656.54/155,377.18 = 50,269.48/x
  3. Step 3: Cross multiply
    103,656.54x = 155,377.18 × 50,269.48
  4. Step 4: Simplify right side
    103,656.54x = 7,810,730,042.47
  5. Step 5: Solve for x
    x = 7,810,730,042.47/103,656.54
  6. Step 6: Final answer
    x = 75,352.02

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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.