Home / 109,149.79-163,717.99-64,196

Finding the Fourth Proportional to 109,149.79, 163,717.99 and 64,196

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Solution

The fourth proportional to 109,149.79, 163,717.99 and 64,196 is: 96,290.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,149.79 : 163,717.99 = 64,196 : x
  2. Step 2: Convert to fraction form
    109,149.79/163,717.99 = 64,196/x
  3. Step 3: Cross multiply
    109,149.79x = 163,717.99 × 64,196
  4. Step 4: Simplify right side
    109,149.79x = 10,510,040,086.04
  5. Step 5: Solve for x
    x = 10,510,040,086.04/109,149.79
  6. Step 6: Final answer
    x = 96,290.06

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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.