Home / 199,807.40-275,726.03-109,166.50

Finding the Fourth Proportional to 199,807.40, 275,726.03 and 109,166.50

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Solution

The fourth proportional to 199,807.40, 275,726.03 and 109,166.50 is: 150,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,807.40 : 275,726.03 = 109,166.50 : x
  2. Step 2: Convert to fraction form
    199,807.40/275,726.03 = 109,166.50/x
  3. Step 3: Cross multiply
    199,807.40x = 275,726.03 × 109,166.50
  4. Step 4: Simplify right side
    199,807.40x = 30,100,044,289.60
  5. Step 5: Solve for x
    x = 30,100,044,289.60/199,807.40
  6. Step 6: Final answer
    x = 150,645.30

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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.