Home / 160,864.05-221,992.49-89,244.14

Finding the Fourth Proportional to 160,864.05, 221,992.49 and 89,244.14

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Solution

The fourth proportional to 160,864.05, 221,992.49 and 89,244.14 is: 123,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,864.05 : 221,992.49 = 89,244.14 : x
  2. Step 2: Convert to fraction form
    160,864.05/221,992.49 = 89,244.14/x
  3. Step 3: Cross multiply
    160,864.05x = 221,992.49 × 89,244.14
  4. Step 4: Simplify right side
    160,864.05x = 19,811,529,634.60
  5. Step 5: Solve for x
    x = 19,811,529,634.60/160,864.05
  6. Step 6: Final answer
    x = 123,156.97

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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.