Home / 120,822.17-166,729.95-67,110.62

Finding the Fourth Proportional to 120,822.17, 166,729.95 and 67,110.62

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Solution

The fourth proportional to 120,822.17, 166,729.95 and 67,110.62 is: 92,610.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,822.17 : 166,729.95 = 67,110.62 : x
  2. Step 2: Convert to fraction form
    120,822.17/166,729.95 = 67,110.62/x
  3. Step 3: Cross multiply
    120,822.17x = 166,729.95 × 67,110.62
  4. Step 4: Simplify right side
    120,822.17x = 11,189,349,483.42
  5. Step 5: Solve for x
    x = 11,189,349,483.42/120,822.17
  6. Step 6: Final answer
    x = 92,610.07

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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.