Home / 112,114.40-167,977.20-72,651.20

Finding the Fourth Proportional to 112,114.40, 167,977.20 and 72,651.20

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Solution

The fourth proportional to 112,114.40, 167,977.20 and 72,651.20 is: 108,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,114.40 : 167,977.20 = 72,651.20 : x
  2. Step 2: Convert to fraction form
    112,114.40/167,977.20 = 72,651.20/x
  3. Step 3: Cross multiply
    112,114.40x = 167,977.20 × 72,651.20
  4. Step 4: Simplify right side
    112,114.40x = 12,203,745,152.64
  5. Step 5: Solve for x
    x = 12,203,745,152.64/112,114.40
  6. Step 6: Final answer
    x = 108,850.83

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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.