Home / 161,815.56-242,723.10-43,486.90

Finding the Fourth Proportional to 161,815.56, 242,723.10 and 43,486.90

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Solution

The fourth proportional to 161,815.56, 242,723.10 and 43,486.90 is: 65,230.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,815.56 : 242,723.10 = 43,486.90 : x
  2. Step 2: Convert to fraction form
    161,815.56/242,723.10 = 43,486.90/x
  3. Step 3: Cross multiply
    161,815.56x = 242,723.10 × 43,486.90
  4. Step 4: Simplify right side
    161,815.56x = 10,555,275,177.39
  5. Step 5: Solve for x
    x = 10,555,275,177.39/161,815.56
  6. Step 6: Final answer
    x = 65,230.29

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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.