Home / 254,837.18-351,679.62-140,120.52

Finding the Fourth Proportional to 254,837.18, 351,679.62 and 140,120.52

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Solution

The fourth proportional to 254,837.18, 351,679.62 and 140,120.52 is: 193,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,837.18 : 351,679.62 = 140,120.52 : x
  2. Step 2: Convert to fraction form
    254,837.18/351,679.62 = 140,120.52/x
  3. Step 3: Cross multiply
    254,837.18x = 351,679.62 × 140,120.52
  4. Step 4: Simplify right side
    254,837.18x = 49,277,531,227.80
  5. Step 5: Solve for x
    x = 49,277,531,227.80/254,837.18
  6. Step 6: Final answer
    x = 193,368.69

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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.