Home / 193,851.90-290,658.78-75,385.15

Finding the Fourth Proportional to 193,851.90, 290,658.78 and 75,385.15

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Solution

The fourth proportional to 193,851.90, 290,658.78 and 75,385.15 is: 113,031.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,851.90 : 290,658.78 = 75,385.15 : x
  2. Step 2: Convert to fraction form
    193,851.90/290,658.78 = 75,385.15/x
  3. Step 3: Cross multiply
    193,851.90x = 290,658.78 × 75,385.15
  4. Step 4: Simplify right side
    193,851.90x = 21,911,355,002.47
  5. Step 5: Solve for x
    x = 21,911,355,002.47/193,851.90
  6. Step 6: Final answer
    x = 113,031.42

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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.