Home / 131,432.20-197,148.30-116,657.80

Finding the Fourth Proportional to 131,432.20, 197,148.30 and 116,657.80

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Solution

The fourth proportional to 131,432.20, 197,148.30 and 116,657.80 is: 174,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.20 : 197,148.30 = 116,657.80 : x
  2. Step 2: Convert to fraction form
    131,432.20/197,148.30 = 116,657.80/x
  3. Step 3: Cross multiply
    131,432.20x = 197,148.30 × 116,657.80
  4. Step 4: Simplify right side
    131,432.20x = 22,998,886,951.74
  5. Step 5: Solve for x
    x = 22,998,886,951.74/131,432.20
  6. Step 6: Final answer
    x = 174,986.70

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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.