Home / 152,945.40-229,418.10-121,452.60

Finding the Fourth Proportional to 152,945.40, 229,418.10 and 121,452.60

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Solution

The fourth proportional to 152,945.40, 229,418.10 and 121,452.60 is: 182,178.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,945.40 : 229,418.10 = 121,452.60 : x
  2. Step 2: Convert to fraction form
    152,945.40/229,418.10 = 121,452.60/x
  3. Step 3: Cross multiply
    152,945.40x = 229,418.10 × 121,452.60
  4. Step 4: Simplify right side
    152,945.40x = 27,863,424,732.06
  5. Step 5: Solve for x
    x = 27,863,424,732.06/152,945.40
  6. Step 6: Final answer
    x = 182,178.90

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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.