Home / 84,758.20-127,138.26-25,594.36

Finding the Fourth Proportional to 84,758.20, 127,138.26 and 25,594.36

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Solution

The fourth proportional to 84,758.20, 127,138.26 and 25,594.36 is: 38,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,758.20 : 127,138.26 = 25,594.36 : x
  2. Step 2: Convert to fraction form
    84,758.20/127,138.26 = 25,594.36/x
  3. Step 3: Cross multiply
    84,758.20x = 127,138.26 × 25,594.36
  4. Step 4: Simplify right side
    84,758.20x = 3,254,022,396.21
  5. Step 5: Solve for x
    x = 3,254,022,396.21/84,758.20
  6. Step 6: Final answer
    x = 38,391.83

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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.