Home / 111,435.12-166,995.48-61,537.68

Finding the Fourth Proportional to 111,435.12, 166,995.48 and 61,537.68

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Solution

The fourth proportional to 111,435.12, 166,995.48 and 61,537.68 is: 92,219.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,435.12 : 166,995.48 = 61,537.68 : x
  2. Step 2: Convert to fraction form
    111,435.12/166,995.48 = 61,537.68/x
  3. Step 3: Cross multiply
    111,435.12x = 166,995.48 × 61,537.68
  4. Step 4: Simplify right side
    111,435.12x = 10,276,514,409.69
  5. Step 5: Solve for x
    x = 10,276,514,409.69/111,435.12
  6. Step 6: Final answer
    x = 92,219.71

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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.