Home / 97,974.72-146,908.32-45,355.20

Finding the Fourth Proportional to 97,974.72, 146,908.32 and 45,355.20

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Solution

The fourth proportional to 97,974.72, 146,908.32 and 45,355.20 is: 68,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,974.72 : 146,908.32 = 45,355.20 : x
  2. Step 2: Convert to fraction form
    97,974.72/146,908.32 = 45,355.20/x
  3. Step 3: Cross multiply
    97,974.72x = 146,908.32 × 45,355.20
  4. Step 4: Simplify right side
    97,974.72x = 6,663,056,235.26
  5. Step 5: Solve for x
    x = 6,663,056,235.26/97,974.72
  6. Step 6: Final answer
    x = 68,007.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.