Home / 84,357.12-126,535.85-25,188.14

Finding the Fourth Proportional to 84,357.12, 126,535.85 and 25,188.14

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Solution

The fourth proportional to 84,357.12, 126,535.85 and 25,188.14 is: 37,782.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,357.12 : 126,535.85 = 25,188.14 : x
  2. Step 2: Convert to fraction form
    84,357.12/126,535.85 = 25,188.14/x
  3. Step 3: Cross multiply
    84,357.12x = 126,535.85 × 25,188.14
  4. Step 4: Simplify right side
    84,357.12x = 3,187,203,084.13
  5. Step 5: Solve for x
    x = 3,187,203,084.13/84,357.12
  6. Step 6: Final answer
    x = 37,782.27

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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.