Home / 181,815.40-250,909.31-101,250.43

Finding the Fourth Proportional to 181,815.40, 250,909.31 and 101,250.43

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Solution

The fourth proportional to 181,815.40, 250,909.31 and 101,250.43 is: 139,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,815.40 : 250,909.31 = 101,250.43 : x
  2. Step 2: Convert to fraction form
    181,815.40/250,909.31 = 101,250.43/x
  3. Step 3: Cross multiply
    181,815.40x = 250,909.31 × 101,250.43
  4. Step 4: Simplify right side
    181,815.40x = 25,404,675,528.50
  5. Step 5: Solve for x
    x = 25,404,675,528.50/181,815.40
  6. Step 6: Final answer
    x = 139,727.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.