Home / 131,911.53-197,787.06-51,853.56

Finding the Fourth Proportional to 131,911.53, 197,787.06 and 51,853.56

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Solution

The fourth proportional to 131,911.53, 197,787.06 and 51,853.56 is: 77,748.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,911.53 : 197,787.06 = 51,853.56 : x
  2. Step 2: Convert to fraction form
    131,911.53/197,787.06 = 51,853.56/x
  3. Step 3: Cross multiply
    131,911.53x = 197,787.06 × 51,853.56
  4. Step 4: Simplify right side
    131,911.53x = 10,255,963,182.93
  5. Step 5: Solve for x
    x = 10,255,963,182.93/131,911.53
  6. Step 6: Final answer
    x = 77,748.80

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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.