Home / 111,180.27-166,719.78-47,970.45

Finding the Fourth Proportional to 111,180.27, 166,719.78 and 47,970.45

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Solution

The fourth proportional to 111,180.27, 166,719.78 and 47,970.45 is: 71,933.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,180.27 : 166,719.78 = 47,970.45 : x
  2. Step 2: Convert to fraction form
    111,180.27/166,719.78 = 47,970.45/x
  3. Step 3: Cross multiply
    111,180.27x = 166,719.78 × 47,970.45
  4. Step 4: Simplify right side
    111,180.27x = 7,997,622,870.50
  5. Step 5: Solve for x
    x = 7,997,622,870.50/111,180.27
  6. Step 6: Final answer
    x = 71,933.83

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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.