Home / 198,172.63-297,259.15-92,991.70

Finding the Fourth Proportional to 198,172.63, 297,259.15 and 92,991.70

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Solution

The fourth proportional to 198,172.63, 297,259.15 and 92,991.70 is: 139,487.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,172.63 : 297,259.15 = 92,991.70 : x
  2. Step 2: Convert to fraction form
    198,172.63/297,259.15 = 92,991.70/x
  3. Step 3: Cross multiply
    198,172.63x = 297,259.15 × 92,991.70
  4. Step 4: Simplify right side
    198,172.63x = 27,642,632,723.43
  5. Step 5: Solve for x
    x = 27,642,632,723.43/198,172.63
  6. Step 6: Final answer
    x = 139,487.64

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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.