Home / 92,856.24-139,290.84-40,268.88

Finding the Fourth Proportional to 92,856.24, 139,290.84 and 40,268.88

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Solution

The fourth proportional to 92,856.24, 139,290.84 and 40,268.88 is: 60,406.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,856.24 : 139,290.84 = 40,268.88 : x
  2. Step 2: Convert to fraction form
    92,856.24/139,290.84 = 40,268.88/x
  3. Step 3: Cross multiply
    92,856.24x = 139,290.84 × 40,268.88
  4. Step 4: Simplify right side
    92,856.24x = 5,609,086,121.06
  5. Step 5: Solve for x
    x = 5,609,086,121.06/92,856.24
  6. Step 6: Final answer
    x = 60,406.13

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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.