Home / 109,568.04-164,253.36-39,398

Finding the Fourth Proportional to 109,568.04, 164,253.36 and 39,398

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Solution

The fourth proportional to 109,568.04, 164,253.36 and 39,398 is: 59,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,568.04 : 164,253.36 = 39,398 : x
  2. Step 2: Convert to fraction form
    109,568.04/164,253.36 = 39,398/x
  3. Step 3: Cross multiply
    109,568.04x = 164,253.36 × 39,398
  4. Step 4: Simplify right side
    109,568.04x = 6,471,253,877.28
  5. Step 5: Solve for x
    x = 6,471,253,877.28/109,568.04
  6. Step 6: Final answer
    x = 59,061.51

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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.