Home / 131,138.52-196,659.46-46,875.92

Finding the Fourth Proportional to 131,138.52, 196,659.46 and 46,875.92

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Solution

The fourth proportional to 131,138.52, 196,659.46 and 46,875.92 is: 70,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,138.52 : 196,659.46 = 46,875.92 : x
  2. Step 2: Convert to fraction form
    131,138.52/196,659.46 = 46,875.92/x
  3. Step 3: Cross multiply
    131,138.52x = 196,659.46 × 46,875.92
  4. Step 4: Simplify right side
    131,138.52x = 9,218,593,114.20
  5. Step 5: Solve for x
    x = 9,218,593,114.20/131,138.52
  6. Step 6: Final answer
    x = 70,296.61

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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.