Home / 221,904.93-332,824.59-81,630.75

Finding the Fourth Proportional to 221,904.93, 332,824.59 and 81,630.75

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Solution

The fourth proportional to 221,904.93, 332,824.59 and 81,630.75 is: 122,434.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,904.93 : 332,824.59 = 81,630.75 : x
  2. Step 2: Convert to fraction form
    221,904.93/332,824.59 = 81,630.75/x
  3. Step 3: Cross multiply
    221,904.93x = 332,824.59 × 81,630.75
  4. Step 4: Simplify right side
    221,904.93x = 27,168,720,900.14
  5. Step 5: Solve for x
    x = 27,168,720,900.14/221,904.93
  6. Step 6: Final answer
    x = 122,434.06

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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.