Home / 126,175.20-189,335.70-47,297.40

Finding the Fourth Proportional to 126,175.20, 189,335.70 and 47,297.40

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Solution

The fourth proportional to 126,175.20, 189,335.70 and 47,297.40 is: 70,973.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,175.20 : 189,335.70 = 47,297.40 : x
  2. Step 2: Convert to fraction form
    126,175.20/189,335.70 = 47,297.40/x
  3. Step 3: Cross multiply
    126,175.20x = 189,335.70 × 47,297.40
  4. Step 4: Simplify right side
    126,175.20x = 8,955,086,337.18
  5. Step 5: Solve for x
    x = 8,955,086,337.18/126,175.20
  6. Step 6: Final answer
    x = 70,973.43

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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.