Home / 86,784.11-130,150.65-36,863.81

Finding the Fourth Proportional to 86,784.11, 130,150.65 and 36,863.81

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Solution

The fourth proportional to 86,784.11, 130,150.65 and 36,863.81 is: 55,284.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,784.11 : 130,150.65 = 36,863.81 : x
  2. Step 2: Convert to fraction form
    86,784.11/130,150.65 = 36,863.81/x
  3. Step 3: Cross multiply
    86,784.11x = 130,150.65 × 36,863.81
  4. Step 4: Simplify right side
    86,784.11x = 4,797,848,832.98
  5. Step 5: Solve for x
    x = 4,797,848,832.98/86,784.11
  6. Step 6: Final answer
    x = 55,284.88

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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.