Home / 199,975.20-299,625.84-120,847.92

Finding the Fourth Proportional to 199,975.20, 299,625.84 and 120,847.92

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Solution

The fourth proportional to 199,975.20, 299,625.84 and 120,847.92 is: 181,068.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,975.20 : 299,625.84 = 120,847.92 : x
  2. Step 2: Convert to fraction form
    199,975.20/299,625.84 = 120,847.92/x
  3. Step 3: Cross multiply
    199,975.20x = 299,625.84 × 120,847.92
  4. Step 4: Simplify right side
    199,975.20x = 36,209,159,542.25
  5. Step 5: Solve for x
    x = 36,209,159,542.25/199,975.20
  6. Step 6: Final answer
    x = 181,068.25

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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.