Home / 97,221.11-146,356.90-87,444.97

Finding the Fourth Proportional to 97,221.11, 146,356.90 and 87,444.97

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Solution

The fourth proportional to 97,221.11, 146,356.90 and 87,444.97 is: 131,639.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,221.11 : 146,356.90 = 87,444.97 : x
  2. Step 2: Convert to fraction form
    97,221.11/146,356.90 = 87,444.97/x
  3. Step 3: Cross multiply
    97,221.11x = 146,356.90 × 87,444.97
  4. Step 4: Simplify right side
    97,221.11x = 12,798,173,998.01
  5. Step 5: Solve for x
    x = 12,798,173,998.01/97,221.11
  6. Step 6: Final answer
    x = 131,639.87

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.