Home / 131,336.20-197,017.98-42,586.12

Finding the Fourth Proportional to 131,336.20, 197,017.98 and 42,586.12

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Solution

The fourth proportional to 131,336.20, 197,017.98 and 42,586.12 is: 63,883.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,336.20 : 197,017.98 = 42,586.12 : x
  2. Step 2: Convert to fraction form
    131,336.20/197,017.98 = 42,586.12/x
  3. Step 3: Cross multiply
    131,336.20x = 197,017.98 × 42,586.12
  4. Step 4: Simplify right side
    131,336.20x = 8,390,231,338.44
  5. Step 5: Solve for x
    x = 8,390,231,338.44/131,336.20
  6. Step 6: Final answer
    x = 63,883.62

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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.