Home / 223,111.28-307,785.48-147,722.96

Finding the Fourth Proportional to 223,111.28, 307,785.48 and 147,722.96

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Solution

The fourth proportional to 223,111.28, 307,785.48 and 147,722.96 is: 203,786.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,111.28 : 307,785.48 = 147,722.96 : x
  2. Step 2: Convert to fraction form
    223,111.28/307,785.48 = 147,722.96/x
  3. Step 3: Cross multiply
    223,111.28x = 307,785.48 × 147,722.96
  4. Step 4: Simplify right side
    223,111.28x = 45,466,982,150.62
  5. Step 5: Solve for x
    x = 45,466,982,150.62/223,111.28
  6. Step 6: Final answer
    x = 203,786.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.