Home / 129,796.69-179,119.34-73,208.07

Finding the Fourth Proportional to 129,796.69, 179,119.34 and 73,208.07

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Solution

The fourth proportional to 129,796.69, 179,119.34 and 73,208.07 is: 101,027.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,796.69 : 179,119.34 = 73,208.07 : x
  2. Step 2: Convert to fraction form
    129,796.69/179,119.34 = 73,208.07/x
  3. Step 3: Cross multiply
    129,796.69x = 179,119.34 × 73,208.07
  4. Step 4: Simplify right side
    129,796.69x = 13,112,981,181.07
  5. Step 5: Solve for x
    x = 13,112,981,181.07/129,796.69
  6. Step 6: Final answer
    x = 101,027.08

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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.