Home / 126,909.65-175,088.97-75,923.84

Finding the Fourth Proportional to 126,909.65, 175,088.97 and 75,923.84

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Solution

The fourth proportional to 126,909.65, 175,088.97 and 75,923.84 is: 104,747.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,909.65 : 175,088.97 = 75,923.84 : x
  2. Step 2: Convert to fraction form
    126,909.65/175,088.97 = 75,923.84/x
  3. Step 3: Cross multiply
    126,909.65x = 175,088.97 × 75,923.84
  4. Step 4: Simplify right side
    126,909.65x = 13,293,427,381.77
  5. Step 5: Solve for x
    x = 13,293,427,381.77/126,909.65
  6. Step 6: Final answer
    x = 104,747.17

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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.