Home / 97,928.20-146,722.20-45,229.60

Finding the Fourth Proportional to 97,928.20, 146,722.20 and 45,229.60

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Solution

The fourth proportional to 97,928.20, 146,722.20 and 45,229.60 is: 67,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,928.20 : 146,722.20 = 45,229.60 : x
  2. Step 2: Convert to fraction form
    97,928.20/146,722.20 = 45,229.60/x
  3. Step 3: Cross multiply
    97,928.20x = 146,722.20 × 45,229.60
  4. Step 4: Simplify right side
    97,928.20x = 6,636,186,417.12
  5. Step 5: Solve for x
    x = 6,636,186,417.12/97,928.20
  6. Step 6: Final answer
    x = 67,765.84

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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.