Home / 131,680.60-197,520.90-96,688.60

Finding the Fourth Proportional to 131,680.60, 197,520.90 and 96,688.60

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Solution

The fourth proportional to 131,680.60, 197,520.90 and 96,688.60 is: 145,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,680.60 : 197,520.90 = 96,688.60 : x
  2. Step 2: Convert to fraction form
    131,680.60/197,520.90 = 96,688.60/x
  3. Step 3: Cross multiply
    131,680.60x = 197,520.90 × 96,688.60
  4. Step 4: Simplify right side
    131,680.60x = 19,098,019,291.74
  5. Step 5: Solve for x
    x = 19,098,019,291.74/131,680.60
  6. Step 6: Final answer
    x = 145,032.90

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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.