Home / 149,352.80-205,968.42-109,002.65

Finding the Fourth Proportional to 149,352.80, 205,968.42 and 109,002.65

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Solution

The fourth proportional to 149,352.80, 205,968.42 and 109,002.65 is: 150,322.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,352.80 : 205,968.42 = 109,002.65 : x
  2. Step 2: Convert to fraction form
    149,352.80/205,968.42 = 109,002.65/x
  3. Step 3: Cross multiply
    149,352.80x = 205,968.42 × 109,002.65
  4. Step 4: Simplify right side
    149,352.80x = 22,451,102,566.47
  5. Step 5: Solve for x
    x = 22,451,102,566.47/149,352.80
  6. Step 6: Final answer
    x = 150,322.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.