Home / 109,108.29-150,568.46-61,360.61

Finding the Fourth Proportional to 109,108.29, 150,568.46 and 61,360.61

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Solution

The fourth proportional to 109,108.29, 150,568.46 and 61,360.61 is: 84,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,108.29 : 150,568.46 = 61,360.61 : x
  2. Step 2: Convert to fraction form
    109,108.29/150,568.46 = 61,360.61/x
  3. Step 3: Cross multiply
    109,108.29x = 150,568.46 × 61,360.61
  4. Step 4: Simplify right side
    109,108.29x = 9,238,972,906.95
  5. Step 5: Solve for x
    x = 9,238,972,906.95/109,108.29
  6. Step 6: Final answer
    x = 84,677.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.