Home / 131,156.64-196,711.20-37,640.16

Finding the Fourth Proportional to 131,156.64, 196,711.20 and 37,640.16

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Solution

The fourth proportional to 131,156.64, 196,711.20 and 37,640.16 is: 56,453.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,156.64 : 196,711.20 = 37,640.16 : x
  2. Step 2: Convert to fraction form
    131,156.64/196,711.20 = 37,640.16/x
  3. Step 3: Cross multiply
    131,156.64x = 196,711.20 × 37,640.16
  4. Step 4: Simplify right side
    131,156.64x = 7,404,241,041.79
  5. Step 5: Solve for x
    x = 7,404,241,041.79/131,156.64
  6. Step 6: Final answer
    x = 56,453.42

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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.