Home / 143,337.80-215,236.20-113,999.60

Finding the Fourth Proportional to 143,337.80, 215,236.20 and 113,999.60

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Solution

The fourth proportional to 143,337.80, 215,236.20 and 113,999.60 is: 171,181.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,337.80 : 215,236.20 = 113,999.60 : x
  2. Step 2: Convert to fraction form
    143,337.80/215,236.20 = 113,999.60/x
  3. Step 3: Cross multiply
    143,337.80x = 215,236.20 × 113,999.60
  4. Step 4: Simplify right side
    143,337.80x = 24,536,840,705.52
  5. Step 5: Solve for x
    x = 24,536,840,705.52/143,337.80
  6. Step 6: Final answer
    x = 171,181.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.