Home / 143,589.67-198,150.46-89,904.29

Finding the Fourth Proportional to 143,589.67, 198,150.46 and 89,904.29

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Solution

The fourth proportional to 143,589.67, 198,150.46 and 89,904.29 is: 124,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,589.67 : 198,150.46 = 89,904.29 : x
  2. Step 2: Convert to fraction form
    143,589.67/198,150.46 = 89,904.29/x
  3. Step 3: Cross multiply
    143,589.67x = 198,150.46 × 89,904.29
  4. Step 4: Simplify right side
    143,589.67x = 17,814,576,014.11
  5. Step 5: Solve for x
    x = 17,814,576,014.11/143,589.67
  6. Step 6: Final answer
    x = 124,065.86

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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.