Home / 131,423.20-197,134.80-89,951.20

Finding the Fourth Proportional to 131,423.20, 197,134.80 and 89,951.20

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Solution

The fourth proportional to 131,423.20, 197,134.80 and 89,951.20 is: 134,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,423.20 : 197,134.80 = 89,951.20 : x
  2. Step 2: Convert to fraction form
    131,423.20/197,134.80 = 89,951.20/x
  3. Step 3: Cross multiply
    131,423.20x = 197,134.80 × 89,951.20
  4. Step 4: Simplify right side
    131,423.20x = 17,732,511,821.76
  5. Step 5: Solve for x
    x = 17,732,511,821.76/131,423.20
  6. Step 6: Final answer
    x = 134,926.80

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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.