Home / 161,505.20-242,268.60-54,887.60

Finding the Fourth Proportional to 161,505.20, 242,268.60 and 54,887.60

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Solution

The fourth proportional to 161,505.20, 242,268.60 and 54,887.60 is: 82,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,505.20 : 242,268.60 = 54,887.60 : x
  2. Step 2: Convert to fraction form
    161,505.20/242,268.60 = 54,887.60/x
  3. Step 3: Cross multiply
    161,505.20x = 242,268.60 × 54,887.60
  4. Step 4: Simplify right side
    161,505.20x = 13,297,542,009.36
  5. Step 5: Solve for x
    x = 13,297,542,009.36/161,505.20
  6. Step 6: Final answer
    x = 82,335.07

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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.