Home / 86,131.08-129,182-23,801.76

Finding the Fourth Proportional to 86,131.08, 129,182 and 23,801.76

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Solution

The fourth proportional to 86,131.08, 129,182 and 23,801.76 is: 35,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,131.08 : 129,182 = 23,801.76 : x
  2. Step 2: Convert to fraction form
    86,131.08/129,182 = 23,801.76/x
  3. Step 3: Cross multiply
    86,131.08x = 129,182 × 23,801.76
  4. Step 4: Simplify right side
    86,131.08x = 3,074,758,960.32
  5. Step 5: Solve for x
    x = 3,074,758,960.32/86,131.08
  6. Step 6: Final answer
    x = 35,698.60

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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.