Home / 120,584.64-166,407.28-66,874.64

Finding the Fourth Proportional to 120,584.64, 166,407.28 and 66,874.64

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Solution

The fourth proportional to 120,584.64, 166,407.28 and 66,874.64 is: 92,287.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,584.64 : 166,407.28 = 66,874.64 : x
  2. Step 2: Convert to fraction form
    120,584.64/166,407.28 = 66,874.64/x
  3. Step 3: Cross multiply
    120,584.64x = 166,407.28 × 66,874.64
  4. Step 4: Simplify right side
    120,584.64x = 11,128,426,943.38
  5. Step 5: Solve for x
    x = 11,128,426,943.38/120,584.64
  6. Step 6: Final answer
    x = 92,287.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.