Home / 131,522.20-197,153.70-64,972.60

Finding the Fourth Proportional to 131,522.20, 197,153.70 and 64,972.60

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Solution

The fourth proportional to 131,522.20, 197,153.70 and 64,972.60 is: 97,394.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,522.20 : 197,153.70 = 64,972.60 : x
  2. Step 2: Convert to fraction form
    131,522.20/197,153.70 = 64,972.60/x
  3. Step 3: Cross multiply
    131,522.20x = 197,153.70 × 64,972.60
  4. Step 4: Simplify right side
    131,522.20x = 12,809,588,488.62
  5. Step 5: Solve for x
    x = 12,809,588,488.62/131,522.20
  6. Step 6: Final answer
    x = 97,394.88

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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.