Home / 143,060.94-197,424.92-89,377.14

Finding the Fourth Proportional to 143,060.94, 197,424.92 and 89,377.14

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Solution

The fourth proportional to 143,060.94, 197,424.92 and 89,377.14 is: 123,340.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,060.94 : 197,424.92 = 89,377.14 : x
  2. Step 2: Convert to fraction form
    143,060.94/197,424.92 = 89,377.14/x
  3. Step 3: Cross multiply
    143,060.94x = 197,424.92 × 89,377.14
  4. Step 4: Simplify right side
    143,060.94x = 17,645,274,267.44
  5. Step 5: Solve for x
    x = 17,645,274,267.44/143,060.94
  6. Step 6: Final answer
    x = 123,340.96

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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.