Home / 86,903.85-130,322.96-40,123.92

Finding the Fourth Proportional to 86,903.85, 130,322.96 and 40,123.92

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Solution

The fourth proportional to 86,903.85, 130,322.96 and 40,123.92 is: 60,170.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,903.85 : 130,322.96 = 40,123.92 : x
  2. Step 2: Convert to fraction form
    86,903.85/130,322.96 = 40,123.92/x
  3. Step 3: Cross multiply
    86,903.85x = 130,322.96 × 40,123.92
  4. Step 4: Simplify right side
    86,903.85x = 5,229,067,369.59
  5. Step 5: Solve for x
    x = 5,229,067,369.59/86,903.85
  6. Step 6: Final answer
    x = 60,170.73

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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.