Home / 169,986.20-254,979.30-153,073.40

Finding the Fourth Proportional to 169,986.20, 254,979.30 and 153,073.40

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Solution

The fourth proportional to 169,986.20, 254,979.30 and 153,073.40 is: 229,610.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,986.20 : 254,979.30 = 153,073.40 : x
  2. Step 2: Convert to fraction form
    169,986.20/254,979.30 = 153,073.40/x
  3. Step 3: Cross multiply
    169,986.20x = 254,979.30 × 153,073.40
  4. Step 4: Simplify right side
    169,986.20x = 39,030,548,380.62
  5. Step 5: Solve for x
    x = 39,030,548,380.62/169,986.20
  6. Step 6: Final answer
    x = 229,610.10

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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.