Home / 248,423.13-372,640.82-90,651.53

Finding the Fourth Proportional to 248,423.13, 372,640.82 and 90,651.53

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Solution

The fourth proportional to 248,423.13, 372,640.82 and 90,651.53 is: 135,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,423.13 : 372,640.82 = 90,651.53 : x
  2. Step 2: Convert to fraction form
    248,423.13/372,640.82 = 90,651.53/x
  3. Step 3: Cross multiply
    248,423.13x = 372,640.82 × 90,651.53
  4. Step 4: Simplify right side
    248,423.13x = 33,780,460,473.45
  5. Step 5: Solve for x
    x = 33,780,460,473.45/248,423.13
  6. Step 6: Final answer
    x = 135,979.53

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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.