Home / 257,126.28-354,824.46-140,837.90

Finding the Fourth Proportional to 257,126.28, 354,824.46 and 140,837.90

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Solution

The fourth proportional to 257,126.28, 354,824.46 and 140,837.90 is: 194,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,126.28 : 354,824.46 = 140,837.90 : x
  2. Step 2: Convert to fraction form
    257,126.28/354,824.46 = 140,837.90/x
  3. Step 3: Cross multiply
    257,126.28x = 354,824.46 × 140,837.90
  4. Step 4: Simplify right side
    257,126.28x = 49,972,731,815.03
  5. Step 5: Solve for x
    x = 49,972,731,815.03/257,126.28
  6. Step 6: Final answer
    x = 194,350.93

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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.