Home / 202,212.63-279,078.14-116,171.45

Finding the Fourth Proportional to 202,212.63, 279,078.14 and 116,171.45

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Solution

The fourth proportional to 202,212.63, 279,078.14 and 116,171.45 is: 160,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,212.63 : 279,078.14 = 116,171.45 : x
  2. Step 2: Convert to fraction form
    202,212.63/279,078.14 = 116,171.45/x
  3. Step 3: Cross multiply
    202,212.63x = 279,078.14 × 116,171.45
  4. Step 4: Simplify right side
    202,212.63x = 32,420,910,501.28
  5. Step 5: Solve for x
    x = 32,420,910,501.28/202,212.63
  6. Step 6: Final answer
    x = 160,330.79

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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.