Home / 127,017.44-175,204.68-81,754.40

Finding the Fourth Proportional to 127,017.44, 175,204.68 and 81,754.40

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Solution

The fourth proportional to 127,017.44, 175,204.68 and 81,754.40 is: 112,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,017.44 : 175,204.68 = 81,754.40 : x
  2. Step 2: Convert to fraction form
    127,017.44/175,204.68 = 81,754.40/x
  3. Step 3: Cross multiply
    127,017.44x = 175,204.68 × 81,754.40
  4. Step 4: Simplify right side
    127,017.44x = 14,323,753,490.59
  5. Step 5: Solve for x
    x = 14,323,753,490.59/127,017.44
  6. Step 6: Final answer
    x = 112,769.97

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1.5x scale

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.