Home / 111,012.31-166,573.14-51,839.38

Finding the Fourth Proportional to 111,012.31, 166,573.14 and 51,839.38

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Solution

The fourth proportional to 111,012.31, 166,573.14 and 51,839.38 is: 77,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,012.31 : 166,573.14 = 51,839.38 : x
  2. Step 2: Convert to fraction form
    111,012.31/166,573.14 = 51,839.38/x
  3. Step 3: Cross multiply
    111,012.31x = 166,573.14 × 51,839.38
  4. Step 4: Simplify right side
    111,012.31x = 8,635,048,302.25
  5. Step 5: Solve for x
    x = 8,635,048,302.25/111,012.31
  6. Step 6: Final answer
    x = 77,784.60

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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.