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Finding the Fourth Proportional to 155,219.20, 232,861.20 and 88,604.80

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Solution

The fourth proportional to 155,219.20, 232,861.20 and 88,604.80 is: 132,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,219.20 : 232,861.20 = 88,604.80 : x
  2. Step 2: Convert to fraction form
    155,219.20/232,861.20 = 88,604.80/x
  3. Step 3: Cross multiply
    155,219.20x = 232,861.20 × 88,604.80
  4. Step 4: Simplify right side
    155,219.20x = 20,632,620,053.76
  5. Step 5: Solve for x
    x = 20,632,620,053.76/155,219.20
  6. Step 6: Final answer
    x = 132,925.70

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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.