Home / 143,270.27-197,651.64-89,461.87

Finding the Fourth Proportional to 143,270.27, 197,651.64 and 89,461.87

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Solution

The fourth proportional to 143,270.27, 197,651.64 and 89,461.87 is: 123,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,270.27 : 197,651.64 = 89,461.87 : x
  2. Step 2: Convert to fraction form
    143,270.27/197,651.64 = 89,461.87/x
  3. Step 3: Cross multiply
    143,270.27x = 197,651.64 × 89,461.87
  4. Step 4: Simplify right side
    143,270.27x = 17,682,285,164.32
  5. Step 5: Solve for x
    x = 17,682,285,164.32/143,270.27
  6. Step 6: Final answer
    x = 123,419.08

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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.