Home / 105,560.20-158,340.30-100,894.60

Finding the Fourth Proportional to 105,560.20, 158,340.30 and 100,894.60

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Solution

The fourth proportional to 105,560.20, 158,340.30 and 100,894.60 is: 151,341.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,560.20 : 158,340.30 = 100,894.60 : x
  2. Step 2: Convert to fraction form
    105,560.20/158,340.30 = 100,894.60/x
  3. Step 3: Cross multiply
    105,560.20x = 158,340.30 × 100,894.60
  4. Step 4: Simplify right side
    105,560.20x = 15,975,681,232.38
  5. Step 5: Solve for x
    x = 15,975,681,232.38/105,560.20
  6. Step 6: Final answer
    x = 151,341.90

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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.