Home / 86,152.65-129,229.03-26,992.93

Finding the Fourth Proportional to 86,152.65, 129,229.03 and 26,992.93

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Solution

The fourth proportional to 86,152.65, 129,229.03 and 26,992.93 is: 40,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,152.65 : 129,229.03 = 26,992.93 : x
  2. Step 2: Convert to fraction form
    86,152.65/129,229.03 = 26,992.93/x
  3. Step 3: Cross multiply
    86,152.65x = 129,229.03 × 26,992.93
  4. Step 4: Simplify right side
    86,152.65x = 3,488,270,696.87
  5. Step 5: Solve for x
    x = 3,488,270,696.87/86,152.65
  6. Step 6: Final answer
    x = 40,489.42

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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.