Home / 112,795.36-155,657.57-65,048.70

Finding the Fourth Proportional to 112,795.36, 155,657.57 and 65,048.70

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Solution

The fourth proportional to 112,795.36, 155,657.57 and 65,048.70 is: 89,767.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,795.36 : 155,657.57 = 65,048.70 : x
  2. Step 2: Convert to fraction form
    112,795.36/155,657.57 = 65,048.70/x
  3. Step 3: Cross multiply
    112,795.36x = 155,657.57 × 65,048.70
  4. Step 4: Simplify right side
    112,795.36x = 10,125,322,067.62
  5. Step 5: Solve for x
    x = 10,125,322,067.62/112,795.36
  6. Step 6: Final answer
    x = 89,767.19

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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.