Home / 148,945.80-223,418.70-142,494.60

Finding the Fourth Proportional to 148,945.80, 223,418.70 and 142,494.60

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Solution

The fourth proportional to 148,945.80, 223,418.70 and 142,494.60 is: 213,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,945.80 : 223,418.70 = 142,494.60 : x
  2. Step 2: Convert to fraction form
    148,945.80/223,418.70 = 142,494.60/x
  3. Step 3: Cross multiply
    148,945.80x = 223,418.70 × 142,494.60
  4. Step 4: Simplify right side
    148,945.80x = 31,835,958,289.02
  5. Step 5: Solve for x
    x = 31,835,958,289.02/148,945.80
  6. Step 6: Final answer
    x = 213,741.90

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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.