Home / 120,519.96-166,303.86-66,800.76

Finding the Fourth Proportional to 120,519.96, 166,303.86 and 66,800.76

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Solution

The fourth proportional to 120,519.96, 166,303.86 and 66,800.76 is: 92,177.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,519.96 : 166,303.86 = 66,800.76 : x
  2. Step 2: Convert to fraction form
    120,519.96/166,303.86 = 66,800.76/x
  3. Step 3: Cross multiply
    120,519.96x = 166,303.86 × 66,800.76
  4. Step 4: Simplify right side
    120,519.96x = 11,109,224,238.93
  5. Step 5: Solve for x
    x = 11,109,224,238.93/120,519.96
  6. Step 6: Final answer
    x = 92,177.46

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1.5x scale

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.