Home / 143,083.62-197,508.42-122,859.28

Finding the Fourth Proportional to 143,083.62, 197,508.42 and 122,859.28

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Solution

The fourth proportional to 143,083.62, 197,508.42 and 122,859.28 is: 169,591.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,083.62 : 197,508.42 = 122,859.28 : x
  2. Step 2: Convert to fraction form
    143,083.62/197,508.42 = 122,859.28/x
  3. Step 3: Cross multiply
    143,083.62x = 197,508.42 × 122,859.28
  4. Step 4: Simplify right side
    143,083.62x = 24,265,742,275.14
  5. Step 5: Solve for x
    x = 24,265,742,275.14/143,083.62
  6. Step 6: Final answer
    x = 169,591.34

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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.