Home / 131,489.90-197,364.45-65,005.10

Finding the Fourth Proportional to 131,489.90, 197,364.45 and 65,005.10

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Solution

The fourth proportional to 131,489.90, 197,364.45 and 65,005.10 is: 97,571.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,489.90 : 197,364.45 = 65,005.10 : x
  2. Step 2: Convert to fraction form
    131,489.90/197,364.45 = 65,005.10/x
  3. Step 3: Cross multiply
    131,489.90x = 197,364.45 × 65,005.10
  4. Step 4: Simplify right side
    131,489.90x = 12,829,695,808.70
  5. Step 5: Solve for x
    x = 12,829,695,808.70/131,489.90
  6. Step 6: Final answer
    x = 97,571.72

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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.