Home / 131,346.71-196,984.16-47,091.21

Finding the Fourth Proportional to 131,346.71, 196,984.16 and 47,091.21

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Solution

The fourth proportional to 131,346.71, 196,984.16 and 47,091.21 is: 70,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,346.71 : 196,984.16 = 47,091.21 : x
  2. Step 2: Convert to fraction form
    131,346.71/196,984.16 = 47,091.21/x
  3. Step 3: Cross multiply
    131,346.71x = 196,984.16 × 47,091.21
  4. Step 4: Simplify right side
    131,346.71x = 9,276,222,562.96
  5. Step 5: Solve for x
    x = 9,276,222,562.96/131,346.71
  6. Step 6: Final answer
    x = 70,623.95

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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.