Home / 125,441.73-173,106.70-68,081.15

Finding the Fourth Proportional to 125,441.73, 173,106.70 and 68,081.15

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Solution

The fourth proportional to 125,441.73, 173,106.70 and 68,081.15 is: 93,950.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,441.73 : 173,106.70 = 68,081.15 : x
  2. Step 2: Convert to fraction form
    125,441.73/173,106.70 = 68,081.15/x
  3. Step 3: Cross multiply
    125,441.73x = 173,106.70 × 68,081.15
  4. Step 4: Simplify right side
    125,441.73x = 11,785,303,471.27
  5. Step 5: Solve for x
    x = 11,785,303,471.27/125,441.73
  6. Step 6: Final answer
    x = 93,950.42

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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.