Home / 202,721.26-279,753.86-112,081.18

Finding the Fourth Proportional to 202,721.26, 279,753.86 and 112,081.18

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Solution

The fourth proportional to 202,721.26, 279,753.86 and 112,081.18 is: 154,671.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,721.26 : 279,753.86 = 112,081.18 : x
  2. Step 2: Convert to fraction form
    202,721.26/279,753.86 = 112,081.18/x
  3. Step 3: Cross multiply
    202,721.26x = 279,753.86 × 112,081.18
  4. Step 4: Simplify right side
    202,721.26x = 31,355,142,738.35
  5. Step 5: Solve for x
    x = 31,355,142,738.35/202,721.26
  6. Step 6: Final answer
    x = 154,671.21

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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.