Home / 100,268.90-150,422.32-40,302.05

Finding the Fourth Proportional to 100,268.90, 150,422.32 and 40,302.05

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Solution

The fourth proportional to 100,268.90, 150,422.32 and 40,302.05 is: 60,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,268.90 : 150,422.32 = 40,302.05 : x
  2. Step 2: Convert to fraction form
    100,268.90/150,422.32 = 40,302.05/x
  3. Step 3: Cross multiply
    100,268.90x = 150,422.32 × 40,302.05
  4. Step 4: Simplify right side
    100,268.90x = 6,062,327,046.67
  5. Step 5: Solve for x
    x = 6,062,327,046.67/100,268.90
  6. Step 6: Final answer
    x = 60,460.69

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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.