Home / 188,733.76-260,452.16-103,856.32

Finding the Fourth Proportional to 188,733.76, 260,452.16 and 103,856.32

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Solution

The fourth proportional to 188,733.76, 260,452.16 and 103,856.32 is: 143,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,733.76 : 260,452.16 = 103,856.32 : x
  2. Step 2: Convert to fraction form
    188,733.76/260,452.16 = 103,856.32/x
  3. Step 3: Cross multiply
    188,733.76x = 260,452.16 × 103,856.32
  4. Step 4: Simplify right side
    188,733.76x = 27,049,602,873.65
  5. Step 5: Solve for x
    x = 27,049,602,873.65/188,733.76
  6. Step 6: Final answer
    x = 143,321.49

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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.