Home / 120,526.77-166,309.45-66,811.75

Finding the Fourth Proportional to 120,526.77, 166,309.45 and 66,811.75

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Solution

The fourth proportional to 120,526.77, 166,309.45 and 66,811.75 is: 92,190.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526.77 : 166,309.45 = 66,811.75 : x
  2. Step 2: Convert to fraction form
    120,526.77/166,309.45 = 66,811.75/x
  3. Step 3: Cross multiply
    120,526.77x = 166,309.45 × 66,811.75
  4. Step 4: Simplify right side
    120,526.77x = 11,111,425,396.04
  5. Step 5: Solve for x
    x = 11,111,425,396.04/120,526.77
  6. Step 6: Final answer
    x = 92,190.52

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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.