Home / 131,663.58-197,515.85-42,896.43

Finding the Fourth Proportional to 131,663.58, 197,515.85 and 42,896.43

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Solution

The fourth proportional to 131,663.58, 197,515.85 and 42,896.43 is: 64,351.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,663.58 : 197,515.85 = 42,896.43 : x
  2. Step 2: Convert to fraction form
    131,663.58/197,515.85 = 42,896.43/x
  3. Step 3: Cross multiply
    131,663.58x = 197,515.85 × 42,896.43
  4. Step 4: Simplify right side
    131,663.58x = 8,472,724,833.42
  5. Step 5: Solve for x
    x = 8,472,724,833.42/131,663.58
  6. Step 6: Final answer
    x = 64,351.32

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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.