Home / 109,110.65-163,668.69-30,225.56

Finding the Fourth Proportional to 109,110.65, 163,668.69 and 30,225.56

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Solution

The fourth proportional to 109,110.65, 163,668.69 and 30,225.56 is: 45,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,110.65 : 163,668.69 = 30,225.56 : x
  2. Step 2: Convert to fraction form
    109,110.65/163,668.69 = 30,225.56/x
  3. Step 3: Cross multiply
    109,110.65x = 163,668.69 × 30,225.56
  4. Step 4: Simplify right side
    109,110.65x = 4,946,976,991.37
  5. Step 5: Solve for x
    x = 4,946,976,991.37/109,110.65
  6. Step 6: Final answer
    x = 45,339.09

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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.