Home / 220,218.07-303,917.66-124,722.31

Finding the Fourth Proportional to 220,218.07, 303,917.66 and 124,722.31

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Solution

The fourth proportional to 220,218.07, 303,917.66 and 124,722.31 is: 172,126.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,218.07 : 303,917.66 = 124,722.31 : x
  2. Step 2: Convert to fraction form
    220,218.07/303,917.66 = 124,722.31/x
  3. Step 3: Cross multiply
    220,218.07x = 303,917.66 × 124,722.31
  4. Step 4: Simplify right side
    220,218.07x = 37,905,312,604.99
  5. Step 5: Solve for x
    x = 37,905,312,604.99/220,218.07
  6. Step 6: Final answer
    x = 172,126.26

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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.