Home / 126,047.10-188,892.45-69,911.94

Finding the Fourth Proportional to 126,047.10, 188,892.45 and 69,911.94

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Solution

The fourth proportional to 126,047.10, 188,892.45 and 69,911.94 is: 104,769.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,047.10 : 188,892.45 = 69,911.94 : x
  2. Step 2: Convert to fraction form
    126,047.10/188,892.45 = 69,911.94/x
  3. Step 3: Cross multiply
    126,047.10x = 188,892.45 × 69,911.94
  4. Step 4: Simplify right side
    126,047.10x = 13,205,837,630.85
  5. Step 5: Solve for x
    x = 13,205,837,630.85/126,047.10
  6. Step 6: Final answer
    x = 104,769.07

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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.