Home / 120,814.13-166,717.85-67,102.43

Finding the Fourth Proportional to 120,814.13, 166,717.85 and 67,102.43

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Solution

The fourth proportional to 120,814.13, 166,717.85 and 67,102.43 is: 92,598.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,814.13 : 166,717.85 = 67,102.43 : x
  2. Step 2: Convert to fraction form
    120,814.13/166,717.85 = 67,102.43/x
  3. Step 3: Cross multiply
    120,814.13x = 166,717.85 × 67,102.43
  4. Step 4: Simplify right side
    120,814.13x = 11,187,171,690.27
  5. Step 5: Solve for x
    x = 11,187,171,690.27/120,814.13
  6. Step 6: Final answer
    x = 92,598.20

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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.