Home / 147,940.20-222,083.10-84,810.60

Finding the Fourth Proportional to 147,940.20, 222,083.10 and 84,810.60

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Solution

The fourth proportional to 147,940.20, 222,083.10 and 84,810.60 is: 127,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,940.20 : 222,083.10 = 84,810.60 : x
  2. Step 2: Convert to fraction form
    147,940.20/222,083.10 = 84,810.60/x
  3. Step 3: Cross multiply
    147,940.20x = 222,083.10 × 84,810.60
  4. Step 4: Simplify right side
    147,940.20x = 18,835,000,960.86
  5. Step 5: Solve for x
    x = 18,835,000,960.86/147,940.20
  6. Step 6: Final answer
    x = 127,314.96

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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.