Home / 254,591.43-351,342.38-139,877.51

Finding the Fourth Proportional to 254,591.43, 351,342.38 and 139,877.51

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Solution

The fourth proportional to 254,591.43, 351,342.38 and 139,877.51 is: 193,034.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,591.43 : 351,342.38 = 139,877.51 : x
  2. Step 2: Convert to fraction form
    254,591.43/351,342.38 = 139,877.51/x
  3. Step 3: Cross multiply
    254,591.43x = 351,342.38 × 139,877.51
  4. Step 4: Simplify right side
    254,591.43x = 49,144,894,815.77
  5. Step 5: Solve for x
    x = 49,144,894,815.77/254,591.43
  6. Step 6: Final answer
    x = 193,034.36

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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.