Home / 254,864.30-351,720.38-140,137.02

Finding the Fourth Proportional to 254,864.30, 351,720.38 and 140,137.02

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Solution

The fourth proportional to 254,864.30, 351,720.38 and 140,137.02 is: 193,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,864.30 : 351,720.38 = 140,137.02 : x
  2. Step 2: Convert to fraction form
    254,864.30/351,720.38 = 140,137.02/x
  3. Step 3: Cross multiply
    254,864.30x = 351,720.38 × 140,137.02
  4. Step 4: Simplify right side
    254,864.30x = 49,289,046,276.81
  5. Step 5: Solve for x
    x = 49,289,046,276.81/254,864.30
  6. Step 6: Final answer
    x = 193,393.30

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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.