Home / 112,843.44-155,717.82-61,856.16

Finding the Fourth Proportional to 112,843.44, 155,717.82 and 61,856.16

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Solution

The fourth proportional to 112,843.44, 155,717.82 and 61,856.16 is: 85,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,843.44 : 155,717.82 = 61,856.16 : x
  2. Step 2: Convert to fraction form
    112,843.44/155,717.82 = 61,856.16/x
  3. Step 3: Cross multiply
    112,843.44x = 155,717.82 × 61,856.16
  4. Step 4: Simplify right side
    112,843.44x = 9,632,106,388.77
  5. Step 5: Solve for x
    x = 9,632,106,388.77/112,843.44
  6. Step 6: Final answer
    x = 85,358.14

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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.