Home / 133,990.20-201,007.17-45,249.03

Finding the Fourth Proportional to 133,990.20, 201,007.17 and 45,249.03

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Solution

The fourth proportional to 133,990.20, 201,007.17 and 45,249.03 is: 67,880.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,990.20 : 201,007.17 = 45,249.03 : x
  2. Step 2: Convert to fraction form
    133,990.20/201,007.17 = 45,249.03/x
  3. Step 3: Cross multiply
    133,990.20x = 201,007.17 × 45,249.03
  4. Step 4: Simplify right side
    133,990.20x = 9,095,379,465.55
  5. Step 5: Solve for x
    x = 9,095,379,465.55/133,990.20
  6. Step 6: Final answer
    x = 67,880.93

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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.