Home / 120,834.18-166,746.48-67,122.60

Finding the Fourth Proportional to 120,834.18, 166,746.48 and 67,122.60

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Solution

The fourth proportional to 120,834.18, 166,746.48 and 67,122.60 is: 92,626.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.18 : 166,746.48 = 67,122.60 : x
  2. Step 2: Convert to fraction form
    120,834.18/166,746.48 = 67,122.60/x
  3. Step 3: Cross multiply
    120,834.18x = 166,746.48 × 67,122.60
  4. Step 4: Simplify right side
    120,834.18x = 11,192,457,278.45
  5. Step 5: Solve for x
    x = 11,192,457,278.45/120,834.18
  6. Step 6: Final answer
    x = 92,626.58

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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.