Home / 86,788.13-130,199.61-36,867.83

Finding the Fourth Proportional to 86,788.13, 130,199.61 and 36,867.83

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Solution

The fourth proportional to 86,788.13, 130,199.61 and 36,867.83 is: 55,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,788.13 : 130,199.61 = 36,867.83 : x
  2. Step 2: Convert to fraction form
    86,788.13/130,199.61 = 36,867.83/x
  3. Step 3: Cross multiply
    86,788.13x = 130,199.61 × 36,867.83
  4. Step 4: Simplify right side
    86,788.13x = 4,800,177,087.55
  5. Step 5: Solve for x
    x = 4,800,177,087.55/86,788.13
  6. Step 6: Final answer
    x = 55,309.14

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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.