Home / 232,063.20-347,403.60-138,520.80

Finding the Fourth Proportional to 232,063.20, 347,403.60 and 138,520.80

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Solution

The fourth proportional to 232,063.20, 347,403.60 and 138,520.80 is: 207,368.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,063.20 : 347,403.60 = 138,520.80 : x
  2. Step 2: Convert to fraction form
    232,063.20/347,403.60 = 138,520.80/x
  3. Step 3: Cross multiply
    232,063.20x = 347,403.60 × 138,520.80
  4. Step 4: Simplify right side
    232,063.20x = 48,122,624,594.88
  5. Step 5: Solve for x
    x = 48,122,624,594.88/232,063.20
  6. Step 6: Final answer
    x = 207,368.62

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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.