Home / 254,591.31-351,336.14-139,877.36

Finding the Fourth Proportional to 254,591.31, 351,336.14 and 139,877.36

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Solution

The fourth proportional to 254,591.31, 351,336.14 and 139,877.36 is: 193,030.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,591.31 : 351,336.14 = 139,877.36 : x
  2. Step 2: Convert to fraction form
    254,591.31/351,336.14 = 139,877.36/x
  3. Step 3: Cross multiply
    254,591.31x = 351,336.14 × 139,877.36
  4. Step 4: Simplify right side
    254,591.31x = 49,143,971,735.79
  5. Step 5: Solve for x
    x = 49,143,971,735.79/254,591.31
  6. Step 6: Final answer
    x = 193,030.83

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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.