Home / 109,940.27-151,718.13-62,192.61

Finding the Fourth Proportional to 109,940.27, 151,718.13 and 62,192.61

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Solution

The fourth proportional to 109,940.27, 151,718.13 and 62,192.61 is: 85,826.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,940.27 : 151,718.13 = 62,192.61 : x
  2. Step 2: Convert to fraction form
    109,940.27/151,718.13 = 62,192.61/x
  3. Step 3: Cross multiply
    109,940.27x = 151,718.13 × 62,192.61
  4. Step 4: Simplify right side
    109,940.27x = 9,435,746,489.02
  5. Step 5: Solve for x
    x = 9,435,746,489.02/109,940.27
  6. Step 6: Final answer
    x = 85,826.12

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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.