Home / 148,010.40-222,015.60-102,909.60

Finding the Fourth Proportional to 148,010.40, 222,015.60 and 102,909.60

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Solution

The fourth proportional to 148,010.40, 222,015.60 and 102,909.60 is: 154,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,010.40 : 222,015.60 = 102,909.60 : x
  2. Step 2: Convert to fraction form
    148,010.40/222,015.60 = 102,909.60/x
  3. Step 3: Cross multiply
    148,010.40x = 222,015.60 × 102,909.60
  4. Step 4: Simplify right side
    148,010.40x = 22,847,536,589.76
  5. Step 5: Solve for x
    x = 22,847,536,589.76/148,010.40
  6. Step 6: Final answer
    x = 154,364.40

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1.5x scale

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.