Home / 147,825.05-203,998.79-84,162.87

Finding the Fourth Proportional to 147,825.05, 203,998.79 and 84,162.87

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Solution

The fourth proportional to 147,825.05, 203,998.79 and 84,162.87 is: 116,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,825.05 : 203,998.79 = 84,162.87 : x
  2. Step 2: Convert to fraction form
    147,825.05/203,998.79 = 84,162.87/x
  3. Step 3: Cross multiply
    147,825.05x = 203,998.79 × 84,162.87
  4. Step 4: Simplify right side
    147,825.05x = 17,169,123,853.33
  5. Step 5: Solve for x
    x = 17,169,123,853.33/147,825.05
  6. Step 6: Final answer
    x = 116,144.89

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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.