Home / 143,539.88-198,182.58-89,846.60

Finding the Fourth Proportional to 143,539.88, 198,182.58 and 89,846.60

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Solution

The fourth proportional to 143,539.88, 198,182.58 and 89,846.60 is: 124,049.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,539.88 : 198,182.58 = 89,846.60 : x
  2. Step 2: Convert to fraction form
    143,539.88/198,182.58 = 89,846.60/x
  3. Step 3: Cross multiply
    143,539.88x = 198,182.58 × 89,846.60
  4. Step 4: Simplify right side
    143,539.88x = 17,806,030,992.23
  5. Step 5: Solve for x
    x = 17,806,030,992.23/143,539.88
  6. Step 6: Final answer
    x = 124,049.37

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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.