Home / 84,292.45-126,438.67-25,169.64

Finding the Fourth Proportional to 84,292.45, 126,438.67 and 25,169.64

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Solution

The fourth proportional to 84,292.45, 126,438.67 and 25,169.64 is: 37,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,292.45 : 126,438.67 = 25,169.64 : x
  2. Step 2: Convert to fraction form
    84,292.45/126,438.67 = 25,169.64/x
  3. Step 3: Cross multiply
    84,292.45x = 126,438.67 × 25,169.64
  4. Step 4: Simplify right side
    84,292.45x = 3,182,415,363.30
  5. Step 5: Solve for x
    x = 3,182,415,363.30/84,292.45
  6. Step 6: Final answer
    x = 37,754.45

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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.