Home / 220,556.66-304,437.57-125,126.78

Finding the Fourth Proportional to 220,556.66, 304,437.57 and 125,126.78

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Solution

The fourth proportional to 220,556.66, 304,437.57 and 125,126.78 is: 172,714.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,556.66 : 304,437.57 = 125,126.78 : x
  2. Step 2: Convert to fraction form
    220,556.66/304,437.57 = 125,126.78/x
  3. Step 3: Cross multiply
    220,556.66x = 304,437.57 × 125,126.78
  4. Step 4: Simplify right side
    220,556.66x = 38,093,292,845.12
  5. Step 5: Solve for x
    x = 38,093,292,845.12/220,556.66
  6. Step 6: Final answer
    x = 172,714.32

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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.