Home / 254,129.92-350,741.28-140,989.12

Finding the Fourth Proportional to 254,129.92, 350,741.28 and 140,989.12

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Solution

The fourth proportional to 254,129.92, 350,741.28 and 140,989.12 is: 194,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,129.92 : 350,741.28 = 140,989.12 : x
  2. Step 2: Convert to fraction form
    254,129.92/350,741.28 = 140,989.12/x
  3. Step 3: Cross multiply
    254,129.92x = 350,741.28 × 140,989.12
  4. Step 4: Simplify right side
    254,129.92x = 49,450,704,414.87
  5. Step 5: Solve for x
    x = 49,450,704,414.87/254,129.92
  6. Step 6: Final answer
    x = 194,588.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.