Home / 125,981.89-173,852.39-68,621.85

Finding the Fourth Proportional to 125,981.89, 173,852.39 and 68,621.85

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Solution

The fourth proportional to 125,981.89, 173,852.39 and 68,621.85 is: 94,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,981.89 : 173,852.39 = 68,621.85 : x
  2. Step 2: Convert to fraction form
    125,981.89/173,852.39 = 68,621.85/x
  3. Step 3: Cross multiply
    125,981.89x = 173,852.39 × 68,621.85
  4. Step 4: Simplify right side
    125,981.89x = 11,930,072,800.28
  5. Step 5: Solve for x
    x = 11,930,072,800.28/125,981.89
  6. Step 6: Final answer
    x = 94,696.73

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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.