Home / 140,542.24-209,811.44-135,620.32

Finding the Fourth Proportional to 140,542.24, 209,811.44 and 135,620.32

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Solution

The fourth proportional to 140,542.24, 209,811.44 and 135,620.32 is: 202,463.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,542.24 : 209,811.44 = 135,620.32 : x
  2. Step 2: Convert to fraction form
    140,542.24/209,811.44 = 135,620.32/x
  3. Step 3: Cross multiply
    140,542.24x = 209,811.44 × 135,620.32
  4. Step 4: Simplify right side
    140,542.24x = 28,454,694,632.46
  5. Step 5: Solve for x
    x = 28,454,694,632.46/140,542.24
  6. Step 6: Final answer
    x = 202,463.65

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.