Home / 131,639.31-197,300.32-60,463.73

Finding the Fourth Proportional to 131,639.31, 197,300.32 and 60,463.73

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Solution

The fourth proportional to 131,639.31, 197,300.32 and 60,463.73 is: 90,622.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,639.31 : 197,300.32 = 60,463.73 : x
  2. Step 2: Convert to fraction form
    131,639.31/197,300.32 = 60,463.73/x
  3. Step 3: Cross multiply
    131,639.31x = 197,300.32 × 60,463.73
  4. Step 4: Simplify right side
    131,639.31x = 11,929,513,277.39
  5. Step 5: Solve for x
    x = 11,929,513,277.39/131,639.31
  6. Step 6: Final answer
    x = 90,622.73

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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.