Home / 140,173.24-210,295.32-40,331.28

Finding the Fourth Proportional to 140,173.24, 210,295.32 and 40,331.28

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Solution

The fourth proportional to 140,173.24, 210,295.32 and 40,331.28 is: 60,507.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,173.24 : 210,295.32 = 40,331.28 : x
  2. Step 2: Convert to fraction form
    140,173.24/210,295.32 = 40,331.28/x
  3. Step 3: Cross multiply
    140,173.24x = 210,295.32 × 40,331.28
  4. Step 4: Simplify right side
    140,173.24x = 8,481,479,433.61
  5. Step 5: Solve for x
    x = 8,481,479,433.61/140,173.24
  6. Step 6: Final answer
    x = 60,507.12

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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.