Home / 131,378.20-197,096.10-42,616.60

Finding the Fourth Proportional to 131,378.20, 197,096.10 and 42,616.60

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Solution

The fourth proportional to 131,378.20, 197,096.10 and 42,616.60 is: 63,934.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,378.20 : 197,096.10 = 42,616.60 : x
  2. Step 2: Convert to fraction form
    131,378.20/197,096.10 = 42,616.60/x
  3. Step 3: Cross multiply
    131,378.20x = 197,096.10 × 42,616.60
  4. Step 4: Simplify right side
    131,378.20x = 8,399,565,655.26
  5. Step 5: Solve for x
    x = 8,399,565,655.26/131,378.20
  6. Step 6: Final answer
    x = 63,934.24

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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.