Home / 248,814.20-373,221.30-91,155.80

Finding the Fourth Proportional to 248,814.20, 373,221.30 and 91,155.80

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Solution

The fourth proportional to 248,814.20, 373,221.30 and 91,155.80 is: 136,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,814.20 : 373,221.30 = 91,155.80 : x
  2. Step 2: Convert to fraction form
    248,814.20/373,221.30 = 91,155.80/x
  3. Step 3: Cross multiply
    248,814.20x = 373,221.30 × 91,155.80
  4. Step 4: Simplify right side
    248,814.20x = 34,021,286,178.54
  5. Step 5: Solve for x
    x = 34,021,286,178.54/248,814.20
  6. Step 6: Final answer
    x = 136,733.70

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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.