Home / 140,269.24-210,417.90-40,431.88

Finding the Fourth Proportional to 140,269.24, 210,417.90 and 40,431.88

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Solution

The fourth proportional to 140,269.24, 210,417.90 and 40,431.88 is: 60,651.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,269.24 : 210,417.90 = 40,431.88 : x
  2. Step 2: Convert to fraction form
    140,269.24/210,417.90 = 40,431.88/x
  3. Step 3: Cross multiply
    140,269.24x = 210,417.90 × 40,431.88
  4. Step 4: Simplify right side
    140,269.24x = 8,507,591,282.65
  5. Step 5: Solve for x
    x = 8,507,591,282.65/140,269.24
  6. Step 6: Final answer
    x = 60,651.87

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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.