Home / 204,120.80-306,181.20-93,312.80

Finding the Fourth Proportional to 204,120.80, 306,181.20 and 93,312.80

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Solution

The fourth proportional to 204,120.80, 306,181.20 and 93,312.80 is: 139,969.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,120.80 : 306,181.20 = 93,312.80 : x
  2. Step 2: Convert to fraction form
    204,120.80/306,181.20 = 93,312.80/x
  3. Step 3: Cross multiply
    204,120.80x = 306,181.20 × 93,312.80
  4. Step 4: Simplify right side
    204,120.80x = 28,570,625,079.36
  5. Step 5: Solve for x
    x = 28,570,625,079.36/204,120.80
  6. Step 6: Final answer
    x = 139,969.20

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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.