Home / 131,429.60-197,086.80-52,517.60

Finding the Fourth Proportional to 131,429.60, 197,086.80 and 52,517.60

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Solution

The fourth proportional to 131,429.60, 197,086.80 and 52,517.60 is: 78,753.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,429.60 : 197,086.80 = 52,517.60 : x
  2. Step 2: Convert to fraction form
    131,429.60/197,086.80 = 52,517.60/x
  3. Step 3: Cross multiply
    131,429.60x = 197,086.80 × 52,517.60
  4. Step 4: Simplify right side
    131,429.60x = 10,350,525,727.68
  5. Step 5: Solve for x
    x = 10,350,525,727.68/131,429.60
  6. Step 6: Final answer
    x = 78,753.38

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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.