Home / 122,318.74-183,530.88-66,198.43

Finding the Fourth Proportional to 122,318.74, 183,530.88 and 66,198.43

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Solution

The fourth proportional to 122,318.74, 183,530.88 and 66,198.43 is: 99,326.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,318.74 : 183,530.88 = 66,198.43 : x
  2. Step 2: Convert to fraction form
    122,318.74/183,530.88 = 66,198.43/x
  3. Step 3: Cross multiply
    122,318.74x = 183,530.88 × 66,198.43
  4. Step 4: Simplify right side
    122,318.74x = 12,149,456,341.93
  5. Step 5: Solve for x
    x = 12,149,456,341.93/122,318.74
  6. Step 6: Final answer
    x = 99,326.20

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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.