Home / 131,449.30-197,222.55-42,705.70

Finding the Fourth Proportional to 131,449.30, 197,222.55 and 42,705.70

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Solution

The fourth proportional to 131,449.30, 197,222.55 and 42,705.70 is: 64,074.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,449.30 : 197,222.55 = 42,705.70 : x
  2. Step 2: Convert to fraction form
    131,449.30/197,222.55 = 42,705.70/x
  3. Step 3: Cross multiply
    131,449.30x = 197,222.55 × 42,705.70
  4. Step 4: Simplify right side
    131,449.30x = 8,422,527,053.54
  5. Step 5: Solve for x
    x = 8,422,527,053.54/131,449.30
  6. Step 6: Final answer
    x = 64,074.34

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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.