Home / 155,945.20-233,572.20-120,770.80

Finding the Fourth Proportional to 155,945.20, 233,572.20 and 120,770.80

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Solution

The fourth proportional to 155,945.20, 233,572.20 and 120,770.80 is: 180,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,945.20 : 233,572.20 = 120,770.80 : x
  2. Step 2: Convert to fraction form
    155,945.20/233,572.20 = 120,770.80/x
  3. Step 3: Cross multiply
    155,945.20x = 233,572.20 × 120,770.80
  4. Step 4: Simplify right side
    155,945.20x = 28,208,701,451.76
  5. Step 5: Solve for x
    x = 28,208,701,451.76/155,945.20
  6. Step 6: Final answer
    x = 180,888.55

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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.