Home / 131,537.28-197,307.72-42,791.24

Finding the Fourth Proportional to 131,537.28, 197,307.72 and 42,791.24

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Solution

The fourth proportional to 131,537.28, 197,307.72 and 42,791.24 is: 64,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,537.28 : 197,307.72 = 42,791.24 : x
  2. Step 2: Convert to fraction form
    131,537.28/197,307.72 = 42,791.24/x
  3. Step 3: Cross multiply
    131,537.28x = 197,307.72 × 42,791.24
  4. Step 4: Simplify right side
    131,537.28x = 8,443,042,000.37
  5. Step 5: Solve for x
    x = 8,443,042,000.37/131,537.28
  6. Step 6: Final answer
    x = 64,187.45

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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.