Home / 149,231.80-223,556.10-89,891.20

Finding the Fourth Proportional to 149,231.80, 223,556.10 and 89,891.20

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Solution

The fourth proportional to 149,231.80, 223,556.10 and 89,891.20 is: 134,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,231.80 : 223,556.10 = 89,891.20 : x
  2. Step 2: Convert to fraction form
    149,231.80/223,556.10 = 89,891.20/x
  3. Step 3: Cross multiply
    149,231.80x = 223,556.10 × 89,891.20
  4. Step 4: Simplify right side
    149,231.80x = 20,095,726,096.32
  5. Step 5: Solve for x
    x = 20,095,726,096.32/149,231.80
  6. Step 6: Final answer
    x = 134,661.15

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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.