Home / 159,207.44-219,797.28-105,565.36

Finding the Fourth Proportional to 159,207.44, 219,797.28 and 105,565.36

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Solution

The fourth proportional to 159,207.44, 219,797.28 and 105,565.36 is: 145,740.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,207.44 : 219,797.28 = 105,565.36 : x
  2. Step 2: Convert to fraction form
    159,207.44/219,797.28 = 105,565.36/x
  3. Step 3: Cross multiply
    159,207.44x = 219,797.28 × 105,565.36
  4. Step 4: Simplify right side
    159,207.44x = 23,202,978,990.22
  5. Step 5: Solve for x
    x = 23,202,978,990.22/159,207.44
  6. Step 6: Final answer
    x = 145,740.54

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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.