Home / 131,824.79-197,737.46-47,644.38

Finding the Fourth Proportional to 131,824.79, 197,737.46 and 47,644.38

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Solution

The fourth proportional to 131,824.79, 197,737.46 and 47,644.38 is: 71,466.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,824.79 : 197,737.46 = 47,644.38 : x
  2. Step 2: Convert to fraction form
    131,824.79/197,737.46 = 47,644.38/x
  3. Step 3: Cross multiply
    131,824.79x = 197,737.46 × 47,644.38
  4. Step 4: Simplify right side
    131,824.79x = 9,421,077,695.79
  5. Step 5: Solve for x
    x = 9,421,077,695.79/131,824.79
  6. Step 6: Final answer
    x = 71,466.66

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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.