Home / 148,657.20-223,012.80-48,789.60

Finding the Fourth Proportional to 148,657.20, 223,012.80 and 48,789.60

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Solution

The fourth proportional to 148,657.20, 223,012.80 and 48,789.60 is: 73,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,657.20 : 223,012.80 = 48,789.60 : x
  2. Step 2: Convert to fraction form
    148,657.20/223,012.80 = 48,789.60/x
  3. Step 3: Cross multiply
    148,657.20x = 223,012.80 × 48,789.60
  4. Step 4: Simplify right side
    148,657.20x = 10,880,705,306.88
  5. Step 5: Solve for x
    x = 10,880,705,306.88/148,657.20
  6. Step 6: Final answer
    x = 73,193.26

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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.