Home / 114,282.28-171,265.78-86,171.44

Finding the Fourth Proportional to 114,282.28, 171,265.78 and 86,171.44

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Solution

The fourth proportional to 114,282.28, 171,265.78 and 86,171.44 is: 129,138.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,282.28 : 171,265.78 = 86,171.44 : x
  2. Step 2: Convert to fraction form
    114,282.28/171,265.78 = 86,171.44/x
  3. Step 3: Cross multiply
    114,282.28x = 171,265.78 × 86,171.44
  4. Step 4: Simplify right side
    114,282.28x = 14,758,218,885.32
  5. Step 5: Solve for x
    x = 14,758,218,885.32/114,282.28
  6. Step 6: Final answer
    x = 129,138.30

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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.