Home / 109,384.52-164,076.81-26,278.52

Finding the Fourth Proportional to 109,384.52, 164,076.81 and 26,278.52

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Solution

The fourth proportional to 109,384.52, 164,076.81 and 26,278.52 is: 39,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,384.52 : 164,076.81 = 26,278.52 : x
  2. Step 2: Convert to fraction form
    109,384.52/164,076.81 = 26,278.52/x
  3. Step 3: Cross multiply
    109,384.52x = 164,076.81 × 26,278.52
  4. Step 4: Simplify right side
    109,384.52x = 4,311,694,912.74
  5. Step 5: Solve for x
    x = 4,311,694,912.74/109,384.52
  6. Step 6: Final answer
    x = 39,417.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.