Home / 181,736.10-272,647.35-76,500.90

Finding the Fourth Proportional to 181,736.10, 272,647.35 and 76,500.90

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Solution

The fourth proportional to 181,736.10, 272,647.35 and 76,500.90 is: 114,769.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,736.10 : 272,647.35 = 76,500.90 : x
  2. Step 2: Convert to fraction form
    181,736.10/272,647.35 = 76,500.90/x
  3. Step 3: Cross multiply
    181,736.10x = 272,647.35 × 76,500.90
  4. Step 4: Simplify right side
    181,736.10x = 20,857,767,657.62
  5. Step 5: Solve for x
    x = 20,857,767,657.62/181,736.10
  6. Step 6: Final answer
    x = 114,769.53

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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.