Home / 135,839.13-203,752.12-51,592.72

Finding the Fourth Proportional to 135,839.13, 203,752.12 and 51,592.72

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Solution

The fourth proportional to 135,839.13, 203,752.12 and 51,592.72 is: 77,386.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,839.13 : 203,752.12 = 51,592.72 : x
  2. Step 2: Convert to fraction form
    135,839.13/203,752.12 = 51,592.72/x
  3. Step 3: Cross multiply
    135,839.13x = 203,752.12 × 51,592.72
  4. Step 4: Simplify right side
    135,839.13x = 10,512,126,076.57
  5. Step 5: Solve for x
    x = 10,512,126,076.57/135,839.13
  6. Step 6: Final answer
    x = 77,386.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.