Home / 84,168.42-126,272.07-25,002.78

Finding the Fourth Proportional to 84,168.42, 126,272.07 and 25,002.78

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Solution

The fourth proportional to 84,168.42, 126,272.07 and 25,002.78 is: 37,509.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,168.42 : 126,272.07 = 25,002.78 : x
  2. Step 2: Convert to fraction form
    84,168.42/126,272.07 = 25,002.78/x
  3. Step 3: Cross multiply
    84,168.42x = 126,272.07 × 25,002.78
  4. Step 4: Simplify right side
    84,168.42x = 3,157,152,786.35
  5. Step 5: Solve for x
    x = 3,157,152,786.35/84,168.42
  6. Step 6: Final answer
    x = 37,509.94

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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.