Home / 125,253.54-172,848.87-68,664.78

Finding the Fourth Proportional to 125,253.54, 172,848.87 and 68,664.78

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Solution

The fourth proportional to 125,253.54, 172,848.87 and 68,664.78 is: 94,756.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,253.54 : 172,848.87 = 68,664.78 : x
  2. Step 2: Convert to fraction form
    125,253.54/172,848.87 = 68,664.78/x
  3. Step 3: Cross multiply
    125,253.54x = 172,848.87 × 68,664.78
  4. Step 4: Simplify right side
    125,253.54x = 11,868,629,631.80
  5. Step 5: Solve for x
    x = 11,868,629,631.80/125,253.54
  6. Step 6: Final answer
    x = 94,756.84

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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.