Home / 79,149.44-109,225.20-45,157.04

Finding the Fourth Proportional to 79,149.44, 109,225.20 and 45,157.04

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Solution

The fourth proportional to 79,149.44, 109,225.20 and 45,157.04 is: 62,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,149.44 : 109,225.20 = 45,157.04 : x
  2. Step 2: Convert to fraction form
    79,149.44/109,225.20 = 45,157.04/x
  3. Step 3: Cross multiply
    79,149.44x = 109,225.20 × 45,157.04
  4. Step 4: Simplify right side
    79,149.44x = 4,932,286,725.41
  5. Step 5: Solve for x
    x = 4,932,286,725.41/79,149.44
  6. Step 6: Final answer
    x = 62,316.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.