Home / 143,281.53-197,729.42-89,597.97

Finding the Fourth Proportional to 143,281.53, 197,729.42 and 89,597.97

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Solution

The fourth proportional to 143,281.53, 197,729.42 and 89,597.97 is: 123,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,281.53 : 197,729.42 = 89,597.97 : x
  2. Step 2: Convert to fraction form
    143,281.53/197,729.42 = 89,597.97/x
  3. Step 3: Cross multiply
    143,281.53x = 197,729.42 × 89,597.97
  4. Step 4: Simplify right side
    143,281.53x = 17,716,154,193.29
  5. Step 5: Solve for x
    x = 17,716,154,193.29/143,281.53
  6. Step 6: Final answer
    x = 123,645.76

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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.