Home / 100,242.93-150,346.19-40,268.98

Finding the Fourth Proportional to 100,242.93, 150,346.19 and 40,268.98

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Solution

The fourth proportional to 100,242.93, 150,346.19 and 40,268.98 is: 60,396.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,242.93 : 150,346.19 = 40,268.98 : x
  2. Step 2: Convert to fraction form
    100,242.93/150,346.19 = 40,268.98/x
  3. Step 3: Cross multiply
    100,242.93x = 150,346.19 × 40,268.98
  4. Step 4: Simplify right side
    100,242.93x = 6,054,288,006.79
  5. Step 5: Solve for x
    x = 6,054,288,006.79/100,242.93
  6. Step 6: Final answer
    x = 60,396.16

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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.