Home / 99,323.06-149,078.22-36,204.19

Finding the Fourth Proportional to 99,323.06, 149,078.22 and 36,204.19

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Solution

The fourth proportional to 99,323.06, 149,078.22 and 36,204.19 is: 54,340.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,323.06 : 149,078.22 = 36,204.19 : x
  2. Step 2: Convert to fraction form
    99,323.06/149,078.22 = 36,204.19/x
  3. Step 3: Cross multiply
    99,323.06x = 149,078.22 × 36,204.19
  4. Step 4: Simplify right side
    99,323.06x = 5,397,256,316.21
  5. Step 5: Solve for x
    x = 5,397,256,316.21/99,323.06
  6. Step 6: Final answer
    x = 54,340.41

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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.