Home / 142,122.64-213,166.98-110,564.20

Finding the Fourth Proportional to 142,122.64, 213,166.98 and 110,564.20

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Solution

The fourth proportional to 142,122.64, 213,166.98 and 110,564.20 is: 165,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,122.64 : 213,166.98 = 110,564.20 : x
  2. Step 2: Convert to fraction form
    142,122.64/213,166.98 = 110,564.20/x
  3. Step 3: Cross multiply
    142,122.64x = 213,166.98 × 110,564.20
  4. Step 4: Simplify right side
    142,122.64x = 23,568,636,610.12
  5. Step 5: Solve for x
    x = 23,568,636,610.12/142,122.64
  6. Step 6: Final answer
    x = 165,833.09

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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.