Home / 100,268.14-150,421.19-40,301.28

Finding the Fourth Proportional to 100,268.14, 150,421.19 and 40,301.28

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Solution

The fourth proportional to 100,268.14, 150,421.19 and 40,301.28 is: 60,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,268.14 : 150,421.19 = 40,301.28 : x
  2. Step 2: Convert to fraction form
    100,268.14/150,421.19 = 40,301.28/x
  3. Step 3: Cross multiply
    100,268.14x = 150,421.19 × 40,301.28
  4. Step 4: Simplify right side
    100,268.14x = 6,062,166,294.62
  5. Step 5: Solve for x
    x = 6,062,166,294.62/100,268.14
  6. Step 6: Final answer
    x = 60,459.55

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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.