Home / 143,026.32-197,414.62-89,278.98

Finding the Fourth Proportional to 143,026.32, 197,414.62 and 89,278.98

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Solution

The fourth proportional to 143,026.32, 197,414.62 and 89,278.98 is: 123,228.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,026.32 : 197,414.62 = 89,278.98 : x
  2. Step 2: Convert to fraction form
    143,026.32/197,414.62 = 89,278.98/x
  3. Step 3: Cross multiply
    143,026.32x = 197,414.62 × 89,278.98
  4. Step 4: Simplify right side
    143,026.32x = 17,624,974,947.19
  5. Step 5: Solve for x
    x = 17,624,974,947.19/143,026.32
  6. Step 6: Final answer
    x = 123,228.89

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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.