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Finding the Fourth Proportional to 79,224.42, 118,835.49 and 19,253.34

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Solution

The fourth proportional to 79,224.42, 118,835.49 and 19,253.34 is: 28,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,224.42 : 118,835.49 = 19,253.34 : x
  2. Step 2: Convert to fraction form
    79,224.42/118,835.49 = 19,253.34/x
  3. Step 3: Cross multiply
    79,224.42x = 118,835.49 × 19,253.34
  4. Step 4: Simplify right side
    79,224.42x = 2,287,980,093.04
  5. Step 5: Solve for x
    x = 2,287,980,093.04/79,224.42
  6. Step 6: Final answer
    x = 28,879.73

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1.5x scale

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.