Home / 120,816.46-166,659.53-112,263.57

Finding the Fourth Proportional to 120,816.46, 166,659.53 and 112,263.57

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Solution

The fourth proportional to 120,816.46, 166,659.53 and 112,263.57 is: 154,861.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,816.46 : 166,659.53 = 112,263.57 : x
  2. Step 2: Convert to fraction form
    120,816.46/166,659.53 = 112,263.57/x
  3. Step 3: Cross multiply
    120,816.46x = 166,659.53 × 112,263.57
  4. Step 4: Simplify right side
    120,816.46x = 18,709,793,251.00
  5. Step 5: Solve for x
    x = 18,709,793,251.00/120,816.46
  6. Step 6: Final answer
    x = 154,861.29

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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.