Home / 126,935.52-175,250.62-81,692.06

Finding the Fourth Proportional to 126,935.52, 175,250.62 and 81,692.06

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Solution

The fourth proportional to 126,935.52, 175,250.62 and 81,692.06 is: 112,786.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,935.52 : 175,250.62 = 81,692.06 : x
  2. Step 2: Convert to fraction form
    126,935.52/175,250.62 = 81,692.06/x
  3. Step 3: Cross multiply
    126,935.52x = 175,250.62 × 81,692.06
  4. Step 4: Simplify right side
    126,935.52x = 14,316,584,164.08
  5. Step 5: Solve for x
    x = 14,316,584,164.08/126,935.52
  6. Step 6: Final answer
    x = 112,786.27

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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.