Home / 220,825.24-304,714.58-124,009.45

Finding the Fourth Proportional to 220,825.24, 304,714.58 and 124,009.45

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Solution

The fourth proportional to 220,825.24, 304,714.58 and 124,009.45 is: 171,119.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,825.24 : 304,714.58 = 124,009.45 : x
  2. Step 2: Convert to fraction form
    220,825.24/304,714.58 = 124,009.45/x
  3. Step 3: Cross multiply
    220,825.24x = 304,714.58 × 124,009.45
  4. Step 4: Simplify right side
    220,825.24x = 37,787,486,090.95
  5. Step 5: Solve for x
    x = 37,787,486,090.95/220,825.24
  6. Step 6: Final answer
    x = 171,119.42

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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.