Home / 199,853.32-275,798.30-109,209.29

Finding the Fourth Proportional to 199,853.32, 275,798.30 and 109,209.29

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Solution

The fourth proportional to 199,853.32, 275,798.30 and 109,209.29 is: 150,709.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,853.32 : 275,798.30 = 109,209.29 : x
  2. Step 2: Convert to fraction form
    199,853.32/275,798.30 = 109,209.29/x
  3. Step 3: Cross multiply
    199,853.32x = 275,798.30 × 109,209.29
  4. Step 4: Simplify right side
    199,853.32x = 30,119,736,526.21
  5. Step 5: Solve for x
    x = 30,119,736,526.21/199,853.32
  6. Step 6: Final answer
    x = 150,709.21

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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.