Home / 225,142.05-337,792.20-140,806.47

Finding the Fourth Proportional to 225,142.05, 337,792.20 and 140,806.47

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Solution

The fourth proportional to 225,142.05, 337,792.20 and 140,806.47 is: 211,259.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,142.05 : 337,792.20 = 140,806.47 : x
  2. Step 2: Convert to fraction form
    225,142.05/337,792.20 = 140,806.47/x
  3. Step 3: Cross multiply
    225,142.05x = 337,792.20 × 140,806.47
  4. Step 4: Simplify right side
    225,142.05x = 47,563,327,275.53
  5. Step 5: Solve for x
    x = 47,563,327,275.53/225,142.05
  6. Step 6: Final answer
    x = 211,259.19

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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.