Home / 148,847.40-223,295.70-68,965.20

Finding the Fourth Proportional to 148,847.40, 223,295.70 and 68,965.20

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Solution

The fourth proportional to 148,847.40, 223,295.70 and 68,965.20 is: 103,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,847.40 : 223,295.70 = 68,965.20 : x
  2. Step 2: Convert to fraction form
    148,847.40/223,295.70 = 68,965.20/x
  3. Step 3: Cross multiply
    148,847.40x = 223,295.70 × 68,965.20
  4. Step 4: Simplify right side
    148,847.40x = 15,399,632,609.64
  5. Step 5: Solve for x
    x = 15,399,632,609.64/148,847.40
  6. Step 6: Final answer
    x = 103,459.20

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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.