Home / 120,456.90-166,223.57-66,738.74

Finding the Fourth Proportional to 120,456.90, 166,223.57 and 66,738.74

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Solution

The fourth proportional to 120,456.90, 166,223.57 and 66,738.74 is: 92,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,456.90 : 166,223.57 = 66,738.74 : x
  2. Step 2: Convert to fraction form
    120,456.90/166,223.57 = 66,738.74/x
  3. Step 3: Cross multiply
    120,456.90x = 166,223.57 × 66,738.74
  4. Step 4: Simplify right side
    120,456.90x = 11,093,550,455.29
  5. Step 5: Solve for x
    x = 11,093,550,455.29/120,456.90
  6. Step 6: Final answer
    x = 92,095.60

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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.