Home / 97,708.40-146,562.60-66,604.40

Finding the Fourth Proportional to 97,708.40, 146,562.60 and 66,604.40

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Solution

The fourth proportional to 97,708.40, 146,562.60 and 66,604.40 is: 99,906.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,708.40 : 146,562.60 = 66,604.40 : x
  2. Step 2: Convert to fraction form
    97,708.40/146,562.60 = 66,604.40/x
  3. Step 3: Cross multiply
    97,708.40x = 146,562.60 × 66,604.40
  4. Step 4: Simplify right side
    97,708.40x = 9,761,714,035.44
  5. Step 5: Solve for x
    x = 9,761,714,035.44/97,708.40
  6. Step 6: Final answer
    x = 99,906.60

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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.