Home / 155,999.20-233,653.20-120,824.80

Finding the Fourth Proportional to 155,999.20, 233,653.20 and 120,824.80

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Solution

The fourth proportional to 155,999.20, 233,653.20 and 120,824.80 is: 180,969.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,999.20 : 233,653.20 = 120,824.80 : x
  2. Step 2: Convert to fraction form
    155,999.20/233,653.20 = 120,824.80/x
  3. Step 3: Cross multiply
    155,999.20x = 233,653.20 × 120,824.80
  4. Step 4: Simplify right side
    155,999.20x = 28,231,101,159.36
  5. Step 5: Solve for x
    x = 28,231,101,159.36/155,999.20
  6. Step 6: Final answer
    x = 180,969.53

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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.