Home / 143,132.94-197,567.04-89,383.74

Finding the Fourth Proportional to 143,132.94, 197,567.04 and 89,383.74

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Solution

The fourth proportional to 143,132.94, 197,567.04 and 89,383.74 is: 123,376.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,132.94 : 197,567.04 = 89,383.74 : x
  2. Step 2: Convert to fraction form
    143,132.94/197,567.04 = 89,383.74/x
  3. Step 3: Cross multiply
    143,132.94x = 197,567.04 × 89,383.74
  4. Step 4: Simplify right side
    143,132.94x = 17,659,280,935.93
  5. Step 5: Solve for x
    x = 17,659,280,935.93/143,132.94
  6. Step 6: Final answer
    x = 123,376.78

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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.