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Finding the Fourth Proportional to 153,952.20, 230,928.30 and 131,401.80

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Solution

The fourth proportional to 153,952.20, 230,928.30 and 131,401.80 is: 197,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,952.20 : 230,928.30 = 131,401.80 : x
  2. Step 2: Convert to fraction form
    153,952.20/230,928.30 = 131,401.80/x
  3. Step 3: Cross multiply
    153,952.20x = 230,928.30 × 131,401.80
  4. Step 4: Simplify right side
    153,952.20x = 30,344,394,290.94
  5. Step 5: Solve for x
    x = 30,344,394,290.94/153,952.20
  6. Step 6: Final answer
    x = 197,102.70

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1.5x scale

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.