Home / 131,460.60-197,190.90-126,211.80

Finding the Fourth Proportional to 131,460.60, 197,190.90 and 126,211.80

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Solution

The fourth proportional to 131,460.60, 197,190.90 and 126,211.80 is: 189,317.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,460.60 : 197,190.90 = 126,211.80 : x
  2. Step 2: Convert to fraction form
    131,460.60/197,190.90 = 126,211.80/x
  3. Step 3: Cross multiply
    131,460.60x = 197,190.90 × 126,211.80
  4. Step 4: Simplify right side
    131,460.60x = 24,887,818,432.62
  5. Step 5: Solve for x
    x = 24,887,818,432.62/131,460.60
  6. Step 6: Final answer
    x = 189,317.70

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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.