Home / 143,204.20-197,568.16-88,731.51

Finding the Fourth Proportional to 143,204.20, 197,568.16 and 88,731.51

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Solution

The fourth proportional to 143,204.20, 197,568.16 and 88,731.51 is: 122,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,204.20 : 197,568.16 = 88,731.51 : x
  2. Step 2: Convert to fraction form
    143,204.20/197,568.16 = 88,731.51/x
  3. Step 3: Cross multiply
    143,204.20x = 197,568.16 × 88,731.51
  4. Step 4: Simplify right side
    143,204.20x = 17,530,521,164.72
  5. Step 5: Solve for x
    x = 17,530,521,164.72/143,204.20
  6. Step 6: Final answer
    x = 122,416.25

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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.