Home / 181,405.10-272,107.65-82,909.10

Finding the Fourth Proportional to 181,405.10, 272,107.65 and 82,909.10

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Solution

The fourth proportional to 181,405.10, 272,107.65 and 82,909.10 is: 124,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,405.10 : 272,107.65 = 82,909.10 : x
  2. Step 2: Convert to fraction form
    181,405.10/272,107.65 = 82,909.10/x
  3. Step 3: Cross multiply
    181,405.10x = 272,107.65 × 82,909.10
  4. Step 4: Simplify right side
    181,405.10x = 22,560,200,364.62
  5. Step 5: Solve for x
    x = 22,560,200,364.62/181,405.10
  6. Step 6: Final answer
    x = 124,363.65

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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.