Home / 220,023.08-329,981.76-101,580.68

Finding the Fourth Proportional to 220,023.08, 329,981.76 and 101,580.68

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Solution

The fourth proportional to 220,023.08, 329,981.76 and 101,580.68 is: 152,346.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,023.08 : 329,981.76 = 101,580.68 : x
  2. Step 2: Convert to fraction form
    220,023.08/329,981.76 = 101,580.68/x
  3. Step 3: Cross multiply
    220,023.08x = 329,981.76 × 101,580.68
  4. Step 4: Simplify right side
    220,023.08x = 33,519,771,568.40
  5. Step 5: Solve for x
    x = 33,519,771,568.40/220,023.08
  6. Step 6: Final answer
    x = 152,346.62

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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.