Home / 218,634.54-301,717.35-123,132.30

Finding the Fourth Proportional to 218,634.54, 301,717.35 and 123,132.30

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Solution

The fourth proportional to 218,634.54, 301,717.35 and 123,132.30 is: 169,923.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,634.54 : 301,717.35 = 123,132.30 : x
  2. Step 2: Convert to fraction form
    218,634.54/301,717.35 = 123,132.30/x
  3. Step 3: Cross multiply
    218,634.54x = 301,717.35 × 123,132.30
  4. Step 4: Simplify right side
    218,634.54x = 37,151,151,255.41
  5. Step 5: Solve for x
    x = 37,151,151,255.41/218,634.54
  6. Step 6: Final answer
    x = 169,923.52

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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.