Home / 215,975.25-298,046.25-120,488.13

Finding the Fourth Proportional to 215,975.25, 298,046.25 and 120,488.13

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Solution

The fourth proportional to 215,975.25, 298,046.25 and 120,488.13 is: 166,273.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,975.25 : 298,046.25 = 120,488.13 : x
  2. Step 2: Convert to fraction form
    215,975.25/298,046.25 = 120,488.13/x
  3. Step 3: Cross multiply
    215,975.25x = 298,046.25 × 120,488.13
  4. Step 4: Simplify right side
    215,975.25x = 35,911,035,316.01
  5. Step 5: Solve for x
    x = 35,911,035,316.01/215,975.25
  6. Step 6: Final answer
    x = 166,273.85

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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.