Home / 110,851.30-166,332.57-51,691.60

Finding the Fourth Proportional to 110,851.30, 166,332.57 and 51,691.60

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Solution

The fourth proportional to 110,851.30, 166,332.57 and 51,691.60 is: 77,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,851.30 : 166,332.57 = 51,691.60 : x
  2. Step 2: Convert to fraction form
    110,851.30/166,332.57 = 51,691.60/x
  3. Step 3: Cross multiply
    110,851.30x = 166,332.57 × 51,691.60
  4. Step 4: Simplify right side
    110,851.30x = 8,597,996,675.41
  5. Step 5: Solve for x
    x = 8,597,996,675.41/110,851.30
  6. Step 6: Final answer
    x = 77,563.34

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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.