Home / 250,921.38-346,258.80-148,951.20

Finding the Fourth Proportional to 250,921.38, 346,258.80 and 148,951.20

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Solution

The fourth proportional to 250,921.38, 346,258.80 and 148,951.20 is: 205,545.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,921.38 : 346,258.80 = 148,951.20 : x
  2. Step 2: Convert to fraction form
    250,921.38/346,258.80 = 148,951.20/x
  3. Step 3: Cross multiply
    250,921.38x = 346,258.80 × 148,951.20
  4. Step 4: Simplify right side
    250,921.38x = 51,575,663,770.56
  5. Step 5: Solve for x
    x = 51,575,663,770.56/250,921.38
  6. Step 6: Final answer
    x = 205,545.11

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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.