Home / 84,452.10-126,678.42-25,288.08

Finding the Fourth Proportional to 84,452.10, 126,678.42 and 25,288.08

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Solution

The fourth proportional to 84,452.10, 126,678.42 and 25,288.08 is: 37,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,452.10 : 126,678.42 = 25,288.08 : x
  2. Step 2: Convert to fraction form
    84,452.10/126,678.42 = 25,288.08/x
  3. Step 3: Cross multiply
    84,452.10x = 126,678.42 × 25,288.08
  4. Step 4: Simplify right side
    84,452.10x = 3,203,454,019.23
  5. Step 5: Solve for x
    x = 3,203,454,019.23/84,452.10
  6. Step 6: Final answer
    x = 37,932.20

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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.