Home / 143,471.28-197,996.76-119,557.92

Finding the Fourth Proportional to 143,471.28, 197,996.76 and 119,557.92

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Solution

The fourth proportional to 143,471.28, 197,996.76 and 119,557.92 is: 164,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,471.28 : 197,996.76 = 119,557.92 : x
  2. Step 2: Convert to fraction form
    143,471.28/197,996.76 = 119,557.92/x
  3. Step 3: Cross multiply
    143,471.28x = 197,996.76 × 119,557.92
  4. Step 4: Simplify right side
    143,471.28x = 23,672,080,792.34
  5. Step 5: Solve for x
    x = 23,672,080,792.34/143,471.28
  6. Step 6: Final answer
    x = 164,995.26

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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.