Home / 235,605.20-353,289.48-109,136.72

Finding the Fourth Proportional to 235,605.20, 353,289.48 and 109,136.72

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Solution

The fourth proportional to 235,605.20, 353,289.48 and 109,136.72 is: 163,650.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,605.20 : 353,289.48 = 109,136.72 : x
  2. Step 2: Convert to fraction form
    235,605.20/353,289.48 = 109,136.72/x
  3. Step 3: Cross multiply
    235,605.20x = 353,289.48 × 109,136.72
  4. Step 4: Simplify right side
    235,605.20x = 38,556,855,057.71
  5. Step 5: Solve for x
    x = 38,556,855,057.71/235,605.20
  6. Step 6: Final answer
    x = 163,650.27

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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.