Home / 97,712.10-146,568.15-66,219.30

Finding the Fourth Proportional to 97,712.10, 146,568.15 and 66,219.30

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Solution

The fourth proportional to 97,712.10, 146,568.15 and 66,219.30 is: 99,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,712.10 : 146,568.15 = 66,219.30 : x
  2. Step 2: Convert to fraction form
    97,712.10/146,568.15 = 66,219.30/x
  3. Step 3: Cross multiply
    97,712.10x = 146,568.15 × 66,219.30
  4. Step 4: Simplify right side
    97,712.10x = 9,705,640,295.30
  5. Step 5: Solve for x
    x = 9,705,640,295.30/97,712.10
  6. Step 6: Final answer
    x = 99,328.95

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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.