Home / 126,872.74-175,081.70-69,509.27

Finding the Fourth Proportional to 126,872.74, 175,081.70 and 69,509.27

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Solution

The fourth proportional to 126,872.74, 175,081.70 and 69,509.27 is: 95,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,872.74 : 175,081.70 = 69,509.27 : x
  2. Step 2: Convert to fraction form
    126,872.74/175,081.70 = 69,509.27/x
  3. Step 3: Cross multiply
    126,872.74x = 175,081.70 × 69,509.27
  4. Step 4: Simplify right side
    126,872.74x = 12,169,801,157.36
  5. Step 5: Solve for x
    x = 12,169,801,157.36/126,872.74
  6. Step 6: Final answer
    x = 95,921.32

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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.