Home / 126,007.25-188,989.00-42,901.25

Finding the Fourth Proportional to 126,007.25, 188,989.00 and 42,901.25

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Solution

The fourth proportional to 126,007.25, 188,989.00 and 42,901.25 is: 64,344.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,007.25 : 188,989.00 = 42,901.25 : x
  2. Step 2: Convert to fraction form
    126,007.25/188,989.00 = 42,901.25/x
  3. Step 3: Cross multiply
    126,007.25x = 188,989.00 × 42,901.25
  4. Step 4: Simplify right side
    126,007.25x = 8,107,863,284.05
  5. Step 5: Solve for x
    x = 8,107,863,284.05/126,007.25
  6. Step 6: Final answer
    x = 64,344.42

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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.