Home / 248,055.70-372,082.16-90,284.15

Finding the Fourth Proportional to 248,055.70, 372,082.16 and 90,284.15

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Solution

The fourth proportional to 248,055.70, 372,082.16 and 90,284.15 is: 135,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,055.70 : 372,082.16 = 90,284.15 : x
  2. Step 2: Convert to fraction form
    248,055.70/372,082.16 = 90,284.15/x
  3. Step 3: Cross multiply
    248,055.70x = 372,082.16 × 90,284.15
  4. Step 4: Simplify right side
    248,055.70x = 33,593,122,193.83
  5. Step 5: Solve for x
    x = 33,593,122,193.83/248,055.70
  6. Step 6: Final answer
    x = 135,425.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.