Home / 120,584.16-166,406.13-66,877.35

Finding the Fourth Proportional to 120,584.16, 166,406.13 and 66,877.35

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Solution

The fourth proportional to 120,584.16, 166,406.13 and 66,877.35 is: 92,290.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,584.16 : 166,406.13 = 66,877.35 : x
  2. Step 2: Convert to fraction form
    120,584.16/166,406.13 = 66,877.35/x
  3. Step 3: Cross multiply
    120,584.16x = 166,406.13 × 66,877.35
  4. Step 4: Simplify right side
    120,584.16x = 11,128,800,998.16
  5. Step 5: Solve for x
    x = 11,128,800,998.16/120,584.16
  6. Step 6: Final answer
    x = 92,290.74

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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.