Home / 114,432.20-171,648.30-72,441.80

Finding the Fourth Proportional to 114,432.20, 171,648.30 and 72,441.80

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Solution

The fourth proportional to 114,432.20, 171,648.30 and 72,441.80 is: 108,662.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,432.20 : 171,648.30 = 72,441.80 : x
  2. Step 2: Convert to fraction form
    114,432.20/171,648.30 = 72,441.80/x
  3. Step 3: Cross multiply
    114,432.20x = 171,648.30 × 72,441.80
  4. Step 4: Simplify right side
    114,432.20x = 12,434,511,818.94
  5. Step 5: Solve for x
    x = 12,434,511,818.94/114,432.20
  6. Step 6: Final answer
    x = 108,662.70

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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.