Home / 165,735.36-248,726.86-112,300.65

Finding the Fourth Proportional to 165,735.36, 248,726.86 and 112,300.65

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Solution

The fourth proportional to 165,735.36, 248,726.86 and 112,300.65 is: 168,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,735.36 : 248,726.86 = 112,300.65 : x
  2. Step 2: Convert to fraction form
    165,735.36/248,726.86 = 112,300.65/x
  3. Step 3: Cross multiply
    165,735.36x = 248,726.86 × 112,300.65
  4. Step 4: Simplify right side
    165,735.36x = 27,932,186,867.14
  5. Step 5: Solve for x
    x = 27,932,186,867.14/165,735.36
  6. Step 6: Final answer
    x = 168,534.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.