Home / 120,526.52-166,309.11-66,811.50

Finding the Fourth Proportional to 120,526.52, 166,309.11 and 66,811.50

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Solution

The fourth proportional to 120,526.52, 166,309.11 and 66,811.50 is: 92,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,526.52 : 166,309.11 = 66,811.50 : x
  2. Step 2: Convert to fraction form
    120,526.52/166,309.11 = 66,811.50/x
  3. Step 3: Cross multiply
    120,526.52x = 166,309.11 × 66,811.50
  4. Step 4: Simplify right side
    120,526.52x = 11,111,361,102.77
  5. Step 5: Solve for x
    x = 11,111,361,102.77/120,526.52
  6. Step 6: Final answer
    x = 92,190.18

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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.