Home / 126,823.62-175,018.41-73,107.66

Finding the Fourth Proportional to 126,823.62, 175,018.41 and 73,107.66

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Solution

The fourth proportional to 126,823.62, 175,018.41 and 73,107.66 is: 100,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,823.62 : 175,018.41 = 73,107.66 : x
  2. Step 2: Convert to fraction form
    126,823.62/175,018.41 = 73,107.66/x
  3. Step 3: Cross multiply
    126,823.62x = 175,018.41 × 73,107.66
  4. Step 4: Simplify right side
    126,823.62x = 12,795,186,412.02
  5. Step 5: Solve for x
    x = 12,795,186,412.02/126,823.62
  6. Step 6: Final answer
    x = 100,889.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.