Home / 126,114.05-189,121.86-55,058.42

Finding the Fourth Proportional to 126,114.05, 189,121.86 and 55,058.42

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Solution

The fourth proportional to 126,114.05, 189,121.86 and 55,058.42 is: 82,566.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,114.05 : 189,121.86 = 55,058.42 : x
  2. Step 2: Convert to fraction form
    126,114.05/189,121.86 = 55,058.42/x
  3. Step 3: Cross multiply
    126,114.05x = 189,121.86 × 55,058.42
  4. Step 4: Simplify right side
    126,114.05x = 10,412,750,799.06
  5. Step 5: Solve for x
    x = 10,412,750,799.06/126,114.05
  6. Step 6: Final answer
    x = 82,566.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.