Home / 120,913.20-166,834.44-73,157.04

Finding the Fourth Proportional to 120,913.20, 166,834.44 and 73,157.04

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Solution

The fourth proportional to 120,913.20, 166,834.44 and 73,157.04 is: 100,941.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,913.20 : 166,834.44 = 73,157.04 : x
  2. Step 2: Convert to fraction form
    120,913.20/166,834.44 = 73,157.04/x
  3. Step 3: Cross multiply
    120,913.20x = 166,834.44 × 73,157.04
  4. Step 4: Simplify right side
    120,913.20x = 12,205,113,800.46
  5. Step 5: Solve for x
    x = 12,205,113,800.46/120,913.20
  6. Step 6: Final answer
    x = 100,941.12

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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.