Home / 136,574.05-188,473.61-79,217.24

Finding the Fourth Proportional to 136,574.05, 188,473.61 and 79,217.24

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Solution

The fourth proportional to 136,574.05, 188,473.61 and 79,217.24 is: 109,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,574.05 : 188,473.61 = 79,217.24 : x
  2. Step 2: Convert to fraction form
    136,574.05/188,473.61 = 79,217.24/x
  3. Step 3: Cross multiply
    136,574.05x = 188,473.61 × 79,217.24
  4. Step 4: Simplify right side
    136,574.05x = 14,930,359,290.08
  5. Step 5: Solve for x
    x = 14,930,359,290.08/136,574.05
  6. Step 6: Final answer
    x = 109,320.62

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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.