Home / 126,006.72-188,902.80-55,847.76

Finding the Fourth Proportional to 126,006.72, 188,902.80 and 55,847.76

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Solution

The fourth proportional to 126,006.72, 188,902.80 and 55,847.76 is: 83,724.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,006.72 : 188,902.80 = 55,847.76 : x
  2. Step 2: Convert to fraction form
    126,006.72/188,902.80 = 55,847.76/x
  3. Step 3: Cross multiply
    126,006.72x = 188,902.80 × 55,847.76
  4. Step 4: Simplify right side
    126,006.72x = 10,549,798,237.73
  5. Step 5: Solve for x
    x = 10,549,798,237.73/126,006.72
  6. Step 6: Final answer
    x = 83,724.09

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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.