Home / 131,499.40-197,378.70-65,014.60

Finding the Fourth Proportional to 131,499.40, 197,378.70 and 65,014.60

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Solution

The fourth proportional to 131,499.40, 197,378.70 and 65,014.60 is: 97,585.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,499.40 : 197,378.70 = 65,014.60 : x
  2. Step 2: Convert to fraction form
    131,499.40/197,378.70 = 65,014.60/x
  3. Step 3: Cross multiply
    131,499.40x = 197,378.70 × 65,014.60
  4. Step 4: Simplify right side
    131,499.40x = 12,832,497,229.02
  5. Step 5: Solve for x
    x = 12,832,497,229.02/131,499.40
  6. Step 6: Final answer
    x = 97,585.98

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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.