Home / 202,076.89-278,750.35-126,494.17

Finding the Fourth Proportional to 202,076.89, 278,750.35 and 126,494.17

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Solution

The fourth proportional to 202,076.89, 278,750.35 and 126,494.17 is: 174,489.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,076.89 : 278,750.35 = 126,494.17 : x
  2. Step 2: Convert to fraction form
    202,076.89/278,750.35 = 126,494.17/x
  3. Step 3: Cross multiply
    202,076.89x = 278,750.35 × 126,494.17
  4. Step 4: Simplify right side
    202,076.89x = 35,260,294,160.46
  5. Step 5: Solve for x
    x = 35,260,294,160.46/202,076.89
  6. Step 6: Final answer
    x = 174,489.49

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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.