Home / 219,660.64-303,026.88-159,133.12

Finding the Fourth Proportional to 219,660.64, 303,026.88 and 159,133.12

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Solution

The fourth proportional to 219,660.64, 303,026.88 and 159,133.12 is: 219,527.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,660.64 : 303,026.88 = 159,133.12 : x
  2. Step 2: Convert to fraction form
    219,660.64/303,026.88 = 159,133.12/x
  3. Step 3: Cross multiply
    219,660.64x = 303,026.88 × 159,133.12
  4. Step 4: Simplify right side
    219,660.64x = 48,221,612,858.27
  5. Step 5: Solve for x
    x = 48,221,612,858.27/219,660.64
  6. Step 6: Final answer
    x = 219,527.78

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1.5x scale

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.