Home / 134,145.39-201,205.77-45,388.71

Finding the Fourth Proportional to 134,145.39, 201,205.77 and 45,388.71

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Solution

The fourth proportional to 134,145.39, 201,205.77 and 45,388.71 is: 68,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,145.39 : 201,205.77 = 45,388.71 : x
  2. Step 2: Convert to fraction form
    134,145.39/201,205.77 = 45,388.71/x
  3. Step 3: Cross multiply
    134,145.39x = 201,205.77 × 45,388.71
  4. Step 4: Simplify right side
    134,145.39x = 9,132,470,344.86
  5. Step 5: Solve for x
    x = 9,132,470,344.86/134,145.39
  6. Step 6: Final answer
    x = 68,078.90

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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.