Home / 181,922.59-272,913.05-76,757.05

Finding the Fourth Proportional to 181,922.59, 272,913.05 and 76,757.05

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Solution

The fourth proportional to 181,922.59, 272,913.05 and 76,757.05 is: 115,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,922.59 : 272,913.05 = 76,757.05 : x
  2. Step 2: Convert to fraction form
    181,922.59/272,913.05 = 76,757.05/x
  3. Step 3: Cross multiply
    181,922.59x = 272,913.05 × 76,757.05
  4. Step 4: Simplify right side
    181,922.59x = 20,948,000,624.50
  5. Step 5: Solve for x
    x = 20,948,000,624.50/181,922.59
  6. Step 6: Final answer
    x = 115,147.88

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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.