Home / 120,604.91-166,444.99-66,907.22

Finding the Fourth Proportional to 120,604.91, 166,444.99 and 66,907.22

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Solution

The fourth proportional to 120,604.91, 166,444.99 and 66,907.22 is: 92,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,604.91 : 166,444.99 = 66,907.22 : x
  2. Step 2: Convert to fraction form
    120,604.91/166,444.99 = 66,907.22/x
  3. Step 3: Cross multiply
    120,604.91x = 166,444.99 × 66,907.22
  4. Step 4: Simplify right side
    120,604.91x = 11,136,371,188.50
  5. Step 5: Solve for x
    x = 11,136,371,188.50/120,604.91
  6. Step 6: Final answer
    x = 92,337.63

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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.