Home / 131,659.34-197,451.30-42,920.60

Finding the Fourth Proportional to 131,659.34, 197,451.30 and 42,920.60

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Solution

The fourth proportional to 131,659.34, 197,451.30 and 42,920.60 is: 64,368.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,659.34 : 197,451.30 = 42,920.60 : x
  2. Step 2: Convert to fraction form
    131,659.34/197,451.30 = 42,920.60/x
  3. Step 3: Cross multiply
    131,659.34x = 197,451.30 × 42,920.60
  4. Step 4: Simplify right side
    131,659.34x = 8,474,728,266.78
  5. Step 5: Solve for x
    x = 8,474,728,266.78/131,659.34
  6. Step 6: Final answer
    x = 64,368.61

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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.