Home / 143,277.65-197,661.84-89,469.25

Finding the Fourth Proportional to 143,277.65, 197,661.84 and 89,469.25

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Solution

The fourth proportional to 143,277.65, 197,661.84 and 89,469.25 is: 123,429.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,277.65 : 197,661.84 = 89,469.25 : x
  2. Step 2: Convert to fraction form
    143,277.65/197,661.84 = 89,469.25/x
  3. Step 3: Cross multiply
    143,277.65x = 197,661.84 × 89,469.25
  4. Step 4: Simplify right side
    143,277.65x = 17,684,655,748.76
  5. Step 5: Solve for x
    x = 17,684,655,748.76/143,277.65
  6. Step 6: Final answer
    x = 123,429.27

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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.