Home / 120,920.50-166,821.15-69,923.44

Finding the Fourth Proportional to 120,920.50, 166,821.15 and 69,923.44

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Solution

The fourth proportional to 120,920.50, 166,821.15 and 69,923.44 is: 96,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,920.50 : 166,821.15 = 69,923.44 : x
  2. Step 2: Convert to fraction form
    120,920.50/166,821.15 = 69,923.44/x
  3. Step 3: Cross multiply
    120,920.50x = 166,821.15 × 69,923.44
  4. Step 4: Simplify right side
    120,920.50x = 11,664,708,672.76
  5. Step 5: Solve for x
    x = 11,664,708,672.76/120,920.50
  6. Step 6: Final answer
    x = 96,465.93

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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.