Home / 131,120.20-196,680.30-37,635.40

Finding the Fourth Proportional to 131,120.20, 196,680.30 and 37,635.40

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Solution

The fourth proportional to 131,120.20, 196,680.30 and 37,635.40 is: 56,453.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,120.20 : 196,680.30 = 37,635.40 : x
  2. Step 2: Convert to fraction form
    131,120.20/196,680.30 = 37,635.40/x
  3. Step 3: Cross multiply
    131,120.20x = 196,680.30 × 37,635.40
  4. Step 4: Simplify right side
    131,120.20x = 7,402,141,762.62
  5. Step 5: Solve for x
    x = 7,402,141,762.62/131,120.20
  6. Step 6: Final answer
    x = 56,453.10

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1.5x scale

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.