Home / 201,910.64-278,521.08-126,327.92

Finding the Fourth Proportional to 201,910.64, 278,521.08 and 126,327.92

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Solution

The fourth proportional to 201,910.64, 278,521.08 and 126,327.92 is: 174,260.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,910.64 : 278,521.08 = 126,327.92 : x
  2. Step 2: Convert to fraction form
    201,910.64/278,521.08 = 126,327.92/x
  3. Step 3: Cross multiply
    201,910.64x = 278,521.08 × 126,327.92
  4. Step 4: Simplify right side
    201,910.64x = 35,184,988,712.55
  5. Step 5: Solve for x
    x = 35,184,988,712.55/201,910.64
  6. Step 6: Final answer
    x = 174,260.20

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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.