Home / 165,145.05-227,816.73-97,118.73

Finding the Fourth Proportional to 165,145.05, 227,816.73 and 97,118.73

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Solution

The fourth proportional to 165,145.05, 227,816.73 and 97,118.73 is: 133,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,145.05 : 227,816.73 = 97,118.73 : x
  2. Step 2: Convert to fraction form
    165,145.05/227,816.73 = 97,118.73/x
  3. Step 3: Cross multiply
    165,145.05x = 227,816.73 × 97,118.73
  4. Step 4: Simplify right side
    165,145.05x = 22,125,271,490.35
  5. Step 5: Solve for x
    x = 22,125,271,490.35/165,145.05
  6. Step 6: Final answer
    x = 133,974.78

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1.5x scale

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.