Home / 145,350.33-218,029.61-40,169.31

Finding the Fourth Proportional to 145,350.33, 218,029.61 and 40,169.31

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Solution

The fourth proportional to 145,350.33, 218,029.61 and 40,169.31 is: 60,255.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,350.33 : 218,029.61 = 40,169.31 : x
  2. Step 2: Convert to fraction form
    145,350.33/218,029.61 = 40,169.31/x
  3. Step 3: Cross multiply
    145,350.33x = 218,029.61 × 40,169.31
  4. Step 4: Simplify right side
    145,350.33x = 8,758,098,993.27
  5. Step 5: Solve for x
    x = 8,758,098,993.27/145,350.33
  6. Step 6: Final answer
    x = 60,255.10

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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.