Home / 131,737.92-197,638.32-42,991.59

Finding the Fourth Proportional to 131,737.92, 197,638.32 and 42,991.59

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Solution

The fourth proportional to 131,737.92, 197,638.32 and 42,991.59 is: 64,497.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,737.92 : 197,638.32 = 42,991.59 : x
  2. Step 2: Convert to fraction form
    131,737.92/197,638.32 = 42,991.59/x
  3. Step 3: Cross multiply
    131,737.92x = 197,638.32 × 42,991.59
  4. Step 4: Simplify right side
    131,737.92x = 8,496,785,621.73
  5. Step 5: Solve for x
    x = 8,496,785,621.73/131,737.92
  6. Step 6: Final answer
    x = 64,497.65

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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.