Home / 148,969.10-223,453.65-138,034.10

Finding the Fourth Proportional to 148,969.10, 223,453.65 and 138,034.10

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Solution

The fourth proportional to 148,969.10, 223,453.65 and 138,034.10 is: 207,051.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,969.10 : 223,453.65 = 138,034.10 : x
  2. Step 2: Convert to fraction form
    148,969.10/223,453.65 = 138,034.10/x
  3. Step 3: Cross multiply
    148,969.10x = 223,453.65 × 138,034.10
  4. Step 4: Simplify right side
    148,969.10x = 30,844,223,469.47
  5. Step 5: Solve for x
    x = 30,844,223,469.47/148,969.10
  6. Step 6: Final answer
    x = 207,051.15

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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.