Home / 86,780.20-130,184.16-26,794.57

Finding the Fourth Proportional to 86,780.20, 130,184.16 and 26,794.57

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Solution

The fourth proportional to 86,780.20, 130,184.16 and 26,794.57 is: 40,196.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,780.20 : 130,184.16 = 26,794.57 : x
  2. Step 2: Convert to fraction form
    86,780.20/130,184.16 = 26,794.57/x
  3. Step 3: Cross multiply
    86,780.20x = 130,184.16 × 26,794.57
  4. Step 4: Simplify right side
    86,780.20x = 3,488,228,588.01
  5. Step 5: Solve for x
    x = 3,488,228,588.01/86,780.20
  6. Step 6: Final answer
    x = 40,196.13

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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.