Home / 143,089.26-197,463.96-89,405.46

Finding the Fourth Proportional to 143,089.26, 197,463.96 and 89,405.46

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Solution

The fourth proportional to 143,089.26, 197,463.96 and 89,405.46 is: 123,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,089.26 : 197,463.96 = 89,405.46 : x
  2. Step 2: Convert to fraction form
    143,089.26/197,463.96 = 89,405.46/x
  3. Step 3: Cross multiply
    143,089.26x = 197,463.96 × 89,405.46
  4. Step 4: Simplify right side
    143,089.26x = 17,654,356,177.22
  5. Step 5: Solve for x
    x = 17,654,356,177.22/143,089.26
  6. Step 6: Final answer
    x = 123,380.02

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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.