Home / 86,104.20-129,163.72-23,774.70

Finding the Fourth Proportional to 86,104.20, 129,163.72 and 23,774.70

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Solution

The fourth proportional to 86,104.20, 129,163.72 and 23,774.70 is: 35,664.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,104.20 : 129,163.72 = 23,774.70 : x
  2. Step 2: Convert to fraction form
    86,104.20/129,163.72 = 23,774.70/x
  3. Step 3: Cross multiply
    86,104.20x = 129,163.72 × 23,774.70
  4. Step 4: Simplify right side
    86,104.20x = 3,070,828,693.88
  5. Step 5: Solve for x
    x = 3,070,828,693.88/86,104.20
  6. Step 6: Final answer
    x = 35,664.10

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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.