Home / 199,100.73-298,500.93-120,196.20

Finding the Fourth Proportional to 199,100.73, 298,500.93 and 120,196.20

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Solution

The fourth proportional to 199,100.73, 298,500.93 and 120,196.20 is: 180,203.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,100.73 : 298,500.93 = 120,196.20 : x
  2. Step 2: Convert to fraction form
    199,100.73/298,500.93 = 120,196.20/x
  3. Step 3: Cross multiply
    199,100.73x = 298,500.93 × 120,196.20
  4. Step 4: Simplify right side
    199,100.73x = 35,878,677,482.47
  5. Step 5: Solve for x
    x = 35,878,677,482.47/199,100.73
  6. Step 6: Final answer
    x = 180,203.65

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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.