Home / 131,740.92-197,638.92-42,999.48

Finding the Fourth Proportional to 131,740.92, 197,638.92 and 42,999.48

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Solution

The fourth proportional to 131,740.92, 197,638.92 and 42,999.48 is: 64,508.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,740.92 : 197,638.92 = 42,999.48 : x
  2. Step 2: Convert to fraction form
    131,740.92/197,638.92 = 42,999.48/x
  3. Step 3: Cross multiply
    131,740.92x = 197,638.92 × 42,999.48
  4. Step 4: Simplify right side
    131,740.92x = 8,498,370,787.76
  5. Step 5: Solve for x
    x = 8,498,370,787.76/131,740.92
  6. Step 6: Final answer
    x = 64,508.21

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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.