Home / 112,116.20-167,882.70-72,458.60

Finding the Fourth Proportional to 112,116.20, 167,882.70 and 72,458.60

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Solution

The fourth proportional to 112,116.20, 167,882.70 and 72,458.60 is: 108,499.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,116.20 : 167,882.70 = 72,458.60 : x
  2. Step 2: Convert to fraction form
    112,116.20/167,882.70 = 72,458.60/x
  3. Step 3: Cross multiply
    112,116.20x = 167,882.70 × 72,458.60
  4. Step 4: Simplify right side
    112,116.20x = 12,164,545,406.22
  5. Step 5: Solve for x
    x = 12,164,545,406.22/112,116.20
  6. Step 6: Final answer
    x = 108,499.44

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