Home / 131,915.13-197,872.70-37,145.28

Finding the Fourth Proportional to 131,915.13, 197,872.70 and 37,145.28

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Solution

The fourth proportional to 131,915.13, 197,872.70 and 37,145.28 is: 55,717.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,915.13 : 197,872.70 = 37,145.28 : x
  2. Step 2: Convert to fraction form
    131,915.13/197,872.70 = 37,145.28/x
  3. Step 3: Cross multiply
    131,915.13x = 197,872.70 × 37,145.28
  4. Step 4: Simplify right side
    131,915.13x = 7,350,037,506.62
  5. Step 5: Solve for x
    x = 7,350,037,506.62/131,915.13
  6. Step 6: Final answer
    x = 55,717.93

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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.