Home / 131,554.64-197,286.06-42,791.60

Finding the Fourth Proportional to 131,554.64, 197,286.06 and 42,791.60

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Solution

The fourth proportional to 131,554.64, 197,286.06 and 42,791.60 is: 64,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,554.64 : 197,286.06 = 42,791.60 : x
  2. Step 2: Convert to fraction form
    131,554.64/197,286.06 = 42,791.60/x
  3. Step 3: Cross multiply
    131,554.64x = 197,286.06 × 42,791.60
  4. Step 4: Simplify right side
    131,554.64x = 8,442,186,165.10
  5. Step 5: Solve for x
    x = 8,442,186,165.10/131,554.64
  6. Step 6: Final answer
    x = 64,172.47

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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.