Home / 126,659.38-174,795.09-70,069.78

Finding the Fourth Proportional to 126,659.38, 174,795.09 and 70,069.78

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Solution

The fourth proportional to 126,659.38, 174,795.09 and 70,069.78 is: 96,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,659.38 : 174,795.09 = 70,069.78 : x
  2. Step 2: Convert to fraction form
    126,659.38/174,795.09 = 70,069.78/x
  3. Step 3: Cross multiply
    126,659.38x = 174,795.09 × 70,069.78
  4. Step 4: Simplify right side
    126,659.38x = 12,247,853,501.38
  5. Step 5: Solve for x
    x = 12,247,853,501.38/126,659.38
  6. Step 6: Final answer
    x = 96,699.14

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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.