Home / 124,890.20-187,335.30-122,816.60

Finding the Fourth Proportional to 124,890.20, 187,335.30 and 122,816.60

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Solution

The fourth proportional to 124,890.20, 187,335.30 and 122,816.60 is: 184,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,890.20 : 187,335.30 = 122,816.60 : x
  2. Step 2: Convert to fraction form
    124,890.20/187,335.30 = 122,816.60/x
  3. Step 3: Cross multiply
    124,890.20x = 187,335.30 × 122,816.60
  4. Step 4: Simplify right side
    124,890.20x = 23,007,884,605.98
  5. Step 5: Solve for x
    x = 23,007,884,605.98/124,890.20
  6. Step 6: Final answer
    x = 184,224.90

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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.