Home / 120,660.93-166,514.82-66,943.95

Finding the Fourth Proportional to 120,660.93, 166,514.82 and 66,943.95

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Solution

The fourth proportional to 120,660.93, 166,514.82 and 66,943.95 is: 92,384.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,660.93 : 166,514.82 = 66,943.95 : x
  2. Step 2: Convert to fraction form
    120,660.93/166,514.82 = 66,943.95/x
  3. Step 3: Cross multiply
    120,660.93x = 166,514.82 × 66,943.95
  4. Step 4: Simplify right side
    120,660.93x = 11,147,159,784.34
  5. Step 5: Solve for x
    x = 11,147,159,784.34/120,660.93
  6. Step 6: Final answer
    x = 92,384.17

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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.