Home / 220,308.05-304,026.11-124,833.35

Finding the Fourth Proportional to 220,308.05, 304,026.11 and 124,833.35

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Solution

The fourth proportional to 220,308.05, 304,026.11 and 124,833.35 is: 172,270.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,308.05 : 304,026.11 = 124,833.35 : x
  2. Step 2: Convert to fraction form
    220,308.05/304,026.11 = 124,833.35/x
  3. Step 3: Cross multiply
    220,308.05x = 304,026.11 × 124,833.35
  4. Step 4: Simplify right side
    220,308.05x = 37,952,595,654.47
  5. Step 5: Solve for x
    x = 37,952,595,654.47/220,308.05
  6. Step 6: Final answer
    x = 172,270.58

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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.