Home / 166,119.80-229,165.62-120,727.40

Finding the Fourth Proportional to 166,119.80, 229,165.62 and 120,727.40

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Solution

The fourth proportional to 166,119.80, 229,165.62 and 120,727.40 is: 166,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,119.80 : 229,165.62 = 120,727.40 : x
  2. Step 2: Convert to fraction form
    166,119.80/229,165.62 = 120,727.40/x
  3. Step 3: Cross multiply
    166,119.80x = 229,165.62 × 120,727.40
  4. Step 4: Simplify right side
    166,119.80x = 27,666,569,471.99
  5. Step 5: Solve for x
    x = 27,666,569,471.99/166,119.80
  6. Step 6: Final answer
    x = 166,545.89

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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.