Home / 94,213.60-141,320.40-54,815.20

Finding the Fourth Proportional to 94,213.60, 141,320.40 and 54,815.20

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Solution

The fourth proportional to 94,213.60, 141,320.40 and 54,815.20 is: 82,222.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,213.60 : 141,320.40 = 54,815.20 : x
  2. Step 2: Convert to fraction form
    94,213.60/141,320.40 = 54,815.20/x
  3. Step 3: Cross multiply
    94,213.60x = 141,320.40 × 54,815.20
  4. Step 4: Simplify right side
    94,213.60x = 7,746,505,990.08
  5. Step 5: Solve for x
    x = 7,746,505,990.08/94,213.60
  6. Step 6: Final answer
    x = 82,222.80

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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.