Home / 79,170.30-109,250.64-60,274.62

Finding the Fourth Proportional to 79,170.30, 109,250.64 and 60,274.62

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Solution

The fourth proportional to 79,170.30, 109,250.64 and 60,274.62 is: 83,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,170.30 : 109,250.64 = 60,274.62 : x
  2. Step 2: Convert to fraction form
    79,170.30/109,250.64 = 60,274.62/x
  3. Step 3: Cross multiply
    79,170.30x = 109,250.64 × 60,274.62
  4. Step 4: Simplify right side
    79,170.30x = 6,585,040,810.76
  5. Step 5: Solve for x
    x = 6,585,040,810.76/79,170.30
  6. Step 6: Final answer
    x = 83,175.65

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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.