Home / 254,864.34-351,721.80-140,151.72

Finding the Fourth Proportional to 254,864.34, 351,721.80 and 140,151.72

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Solution

The fourth proportional to 254,864.34, 351,721.80 and 140,151.72 is: 193,414.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,864.34 : 351,721.80 = 140,151.72 : x
  2. Step 2: Convert to fraction form
    254,864.34/351,721.80 = 140,151.72/x
  3. Step 3: Cross multiply
    254,864.34x = 351,721.80 × 140,151.72
  4. Step 4: Simplify right side
    254,864.34x = 49,294,415,231.50
  5. Step 5: Solve for x
    x = 49,294,415,231.50/254,864.34
  6. Step 6: Final answer
    x = 193,414.33

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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.