Home / 151,315.25-208,752.39-90,049.19

Finding the Fourth Proportional to 151,315.25, 208,752.39 and 90,049.19

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Solution

The fourth proportional to 151,315.25, 208,752.39 and 90,049.19 is: 124,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,315.25 : 208,752.39 = 90,049.19 : x
  2. Step 2: Convert to fraction form
    151,315.25/208,752.39 = 90,049.19/x
  3. Step 3: Cross multiply
    151,315.25x = 208,752.39 × 90,049.19
  4. Step 4: Simplify right side
    151,315.25x = 18,797,982,586.30
  5. Step 5: Solve for x
    x = 18,797,982,586.30/151,315.25
  6. Step 6: Final answer
    x = 124,230.59

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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.