Home / 175,081.28-262,703.93-86,286.35

Finding the Fourth Proportional to 175,081.28, 262,703.93 and 86,286.35

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Solution

The fourth proportional to 175,081.28, 262,703.93 and 86,286.35 is: 129,469.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,081.28 : 262,703.93 = 86,286.35 : x
  2. Step 2: Convert to fraction form
    175,081.28/262,703.93 = 86,286.35/x
  3. Step 3: Cross multiply
    175,081.28x = 262,703.93 × 86,286.35
  4. Step 4: Simplify right side
    175,081.28x = 22,667,761,505.40
  5. Step 5: Solve for x
    x = 22,667,761,505.40/175,081.28
  6. Step 6: Final answer
    x = 129,469.94

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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.