Home / 131,732.94-197,430.18-68,544.36

Finding the Fourth Proportional to 131,732.94, 197,430.18 and 68,544.36

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Solution

The fourth proportional to 131,732.94, 197,430.18 and 68,544.36 is: 102,728.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,732.94 : 197,430.18 = 68,544.36 : x
  2. Step 2: Convert to fraction form
    131,732.94/197,430.18 = 68,544.36/x
  3. Step 3: Cross multiply
    131,732.94x = 197,430.18 × 68,544.36
  4. Step 4: Simplify right side
    131,732.94x = 13,532,725,332.78
  5. Step 5: Solve for x
    x = 13,532,725,332.78/131,732.94
  6. Step 6: Final answer
    x = 102,728.48

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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.