Home / 140,400.20-210,569.32-40,538.68

Finding the Fourth Proportional to 140,400.20, 210,569.32 and 40,538.68

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Solution

The fourth proportional to 140,400.20, 210,569.32 and 40,538.68 is: 60,799.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,400.20 : 210,569.32 = 40,538.68 : x
  2. Step 2: Convert to fraction form
    140,400.20/210,569.32 = 40,538.68/x
  3. Step 3: Cross multiply
    140,400.20x = 210,569.32 × 40,538.68
  4. Step 4: Simplify right side
    140,400.20x = 8,536,202,281.30
  5. Step 5: Solve for x
    x = 8,536,202,281.30/140,400.20
  6. Step 6: Final answer
    x = 60,799.07

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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.