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Finding the Fourth Proportional to 179,432.80, 269,084.40 and 90,656.80

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Solution

The fourth proportional to 179,432.80, 269,084.40 and 90,656.80 is: 135,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,432.80 : 269,084.40 = 90,656.80 : x
  2. Step 2: Convert to fraction form
    179,432.80/269,084.40 = 90,656.80/x
  3. Step 3: Cross multiply
    179,432.80x = 269,084.40 × 90,656.80
  4. Step 4: Simplify right side
    179,432.80x = 24,394,330,633.92
  5. Step 5: Solve for x
    x = 24,394,330,633.92/179,432.80
  6. Step 6: Final answer
    x = 135,952.46

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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.