Home / 109,168.91-163,768.73-38,081.18

Finding the Fourth Proportional to 109,168.91, 163,768.73 and 38,081.18

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Solution

The fourth proportional to 109,168.91, 163,768.73 and 38,081.18 is: 57,127.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,168.91 : 163,768.73 = 38,081.18 : x
  2. Step 2: Convert to fraction form
    109,168.91/163,768.73 = 38,081.18/x
  3. Step 3: Cross multiply
    109,168.91x = 163,768.73 × 38,081.18
  4. Step 4: Simplify right side
    109,168.91x = 6,236,505,666.66
  5. Step 5: Solve for x
    x = 6,236,505,666.66/109,168.91
  6. Step 6: Final answer
    x = 57,127.12

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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.