Home / 120,834.05-166,750.91-67,124.07

Finding the Fourth Proportional to 120,834.05, 166,750.91 and 67,124.07

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Solution

The fourth proportional to 120,834.05, 166,750.91 and 67,124.07 is: 92,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.05 : 166,750.91 = 67,124.07 : x
  2. Step 2: Convert to fraction form
    120,834.05/166,750.91 = 67,124.07/x
  3. Step 3: Cross multiply
    120,834.05x = 166,750.91 × 67,124.07
  4. Step 4: Simplify right side
    120,834.05x = 11,192,999,419.78
  5. Step 5: Solve for x
    x = 11,192,999,419.78/120,834.05
  6. Step 6: Final answer
    x = 92,631.17

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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.