Home / 220,669.32-304,514.70-125,173.97

Finding the Fourth Proportional to 220,669.32, 304,514.70 and 125,173.97

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Solution

The fourth proportional to 220,669.32, 304,514.70 and 125,173.97 is: 172,735.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,669.32 : 304,514.70 = 125,173.97 : x
  2. Step 2: Convert to fraction form
    220,669.32/304,514.70 = 125,173.97/x
  3. Step 3: Cross multiply
    220,669.32x = 304,514.70 × 125,173.97
  4. Step 4: Simplify right side
    220,669.32x = 38,117,313,922.36
  5. Step 5: Solve for x
    x = 38,117,313,922.36/220,669.32
  6. Step 6: Final answer
    x = 172,735.00

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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.