Home / 126,084.81-173,994.78-68,724.66

Finding the Fourth Proportional to 126,084.81, 173,994.78 and 68,724.66

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Solution

The fourth proportional to 126,084.81, 173,994.78 and 68,724.66 is: 94,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,084.81 : 173,994.78 = 68,724.66 : x
  2. Step 2: Convert to fraction form
    126,084.81/173,994.78 = 68,724.66/x
  3. Step 3: Cross multiply
    126,084.81x = 173,994.78 × 68,724.66
  4. Step 4: Simplify right side
    126,084.81x = 11,957,732,097.27
  5. Step 5: Solve for x
    x = 11,957,732,097.27/126,084.81
  6. Step 6: Final answer
    x = 94,838.80

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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.