Home / 103,539.18-155,272.92-50,200.14

Finding the Fourth Proportional to 103,539.18, 155,272.92 and 50,200.14

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Solution

The fourth proportional to 103,539.18, 155,272.92 and 50,200.14 is: 75,282.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,539.18 : 155,272.92 = 50,200.14 : x
  2. Step 2: Convert to fraction form
    103,539.18/155,272.92 = 50,200.14/x
  3. Step 3: Cross multiply
    103,539.18x = 155,272.92 × 50,200.14
  4. Step 4: Simplify right side
    103,539.18x = 7,794,722,322.21
  5. Step 5: Solve for x
    x = 7,794,722,322.21/103,539.18
  6. Step 6: Final answer
    x = 75,282.83

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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.