Home / 87,886.69-131,774.16-74,564.29

Finding the Fourth Proportional to 87,886.69, 131,774.16 and 74,564.29

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Solution

The fourth proportional to 87,886.69, 131,774.16 and 74,564.29 is: 111,799.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,886.69 : 131,774.16 = 74,564.29 : x
  2. Step 2: Convert to fraction form
    87,886.69/131,774.16 = 74,564.29/x
  3. Step 3: Cross multiply
    87,886.69x = 131,774.16 × 74,564.29
  4. Step 4: Simplify right side
    87,886.69x = 9,825,646,680.75
  5. Step 5: Solve for x
    x = 9,825,646,680.75/87,886.69
  6. Step 6: Final answer
    x = 111,799.03

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1.5x scale

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.