Home / 111,087.78-166,651.11-40,967.70

Finding the Fourth Proportional to 111,087.78, 166,651.11 and 40,967.70

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Solution

The fourth proportional to 111,087.78, 166,651.11 and 40,967.70 is: 61,458.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,087.78 : 166,651.11 = 40,967.70 : x
  2. Step 2: Convert to fraction form
    111,087.78/166,651.11 = 40,967.70/x
  3. Step 3: Cross multiply
    111,087.78x = 166,651.11 × 40,967.70
  4. Step 4: Simplify right side
    111,087.78x = 6,827,312,679.15
  5. Step 5: Solve for x
    x = 6,827,312,679.15/111,087.78
  6. Step 6: Final answer
    x = 61,458.72

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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.