Home / 122,680.08-183,677-66,317.94

Finding the Fourth Proportional to 122,680.08, 183,677 and 66,317.94

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Solution

The fourth proportional to 122,680.08, 183,677 and 66,317.94 is: 99,291.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,680.08 : 183,677 = 66,317.94 : x
  2. Step 2: Convert to fraction form
    122,680.08/183,677 = 66,317.94/x
  3. Step 3: Cross multiply
    122,680.08x = 183,677 × 66,317.94
  4. Step 4: Simplify right side
    122,680.08x = 12,181,080,265.38
  5. Step 5: Solve for x
    x = 12,181,080,265.38/122,680.08
  6. Step 6: Final answer
    x = 99,291.43

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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.