Home / 142,091.64-213,120.45-110,533.23

Finding the Fourth Proportional to 142,091.64, 213,120.45 and 110,533.23

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Solution

The fourth proportional to 142,091.64, 213,120.45 and 110,533.23 is: 165,786.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,091.64 : 213,120.45 = 110,533.23 : x
  2. Step 2: Convert to fraction form
    142,091.64/213,120.45 = 110,533.23/x
  3. Step 3: Cross multiply
    142,091.64x = 213,120.45 × 110,533.23
  4. Step 4: Simplify right side
    142,091.64x = 23,556,891,717.55
  5. Step 5: Solve for x
    x = 23,556,891,717.55/142,091.64
  6. Step 6: Final answer
    x = 165,786.61

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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.