Home / 155,944.20-233,570.70-120,769.80

Finding the Fourth Proportional to 155,944.20, 233,570.70 and 120,769.80

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Solution

The fourth proportional to 155,944.20, 233,570.70 and 120,769.80 is: 180,887.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,944.20 : 233,570.70 = 120,769.80 : x
  2. Step 2: Convert to fraction form
    155,944.20/233,570.70 = 120,769.80/x
  3. Step 3: Cross multiply
    155,944.20x = 233,570.70 × 120,769.80
  4. Step 4: Simplify right side
    155,944.20x = 28,208,286,724.86
  5. Step 5: Solve for x
    x = 28,208,286,724.86/155,944.20
  6. Step 6: Final answer
    x = 180,887.05

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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.