Home / 109,691.29-164,502.91-39,561.49

Finding the Fourth Proportional to 109,691.29, 164,502.91 and 39,561.49

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Solution

The fourth proportional to 109,691.29, 164,502.91 and 39,561.49 is: 59,329.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,691.29 : 164,502.91 = 39,561.49 : x
  2. Step 2: Convert to fraction form
    109,691.29/164,502.91 = 39,561.49/x
  3. Step 3: Cross multiply
    109,691.29x = 164,502.91 × 39,561.49
  4. Step 4: Simplify right side
    109,691.29x = 6,507,980,228.94
  5. Step 5: Solve for x
    x = 6,507,980,228.94/109,691.29
  6. Step 6: Final answer
    x = 59,329.96

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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.