Home / 109,381.22-164,066.34-42,833.54

Finding the Fourth Proportional to 109,381.22, 164,066.34 and 42,833.54

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Solution

The fourth proportional to 109,381.22, 164,066.34 and 42,833.54 is: 64,248.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,381.22 : 164,066.34 = 42,833.54 : x
  2. Step 2: Convert to fraction form
    109,381.22/164,066.34 = 42,833.54/x
  3. Step 3: Cross multiply
    109,381.22x = 164,066.34 × 42,833.54
  4. Step 4: Simplify right side
    109,381.22x = 7,027,542,707.84
  5. Step 5: Solve for x
    x = 7,027,542,707.84/109,381.22
  6. Step 6: Final answer
    x = 64,248.17

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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.