Home / 202,045.37-278,760.78-117,145.49

Finding the Fourth Proportional to 202,045.37, 278,760.78 and 117,145.49

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Solution

The fourth proportional to 202,045.37, 278,760.78 and 117,145.49 is: 161,624.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,045.37 : 278,760.78 = 117,145.49 : x
  2. Step 2: Convert to fraction form
    202,045.37/278,760.78 = 117,145.49/x
  3. Step 3: Cross multiply
    202,045.37x = 278,760.78 × 117,145.49
  4. Step 4: Simplify right side
    202,045.37x = 32,655,568,165.88
  5. Step 5: Solve for x
    x = 32,655,568,165.88/202,045.37
  6. Step 6: Final answer
    x = 161,624.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.