Home / 218,064.14-300,884.38-127,402.58

Finding the Fourth Proportional to 218,064.14, 300,884.38 and 127,402.58

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Solution

The fourth proportional to 218,064.14, 300,884.38 and 127,402.58 is: 175,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,064.14 : 300,884.38 = 127,402.58 : x
  2. Step 2: Convert to fraction form
    218,064.14/300,884.38 = 127,402.58/x
  3. Step 3: Cross multiply
    218,064.14x = 300,884.38 × 127,402.58
  4. Step 4: Simplify right side
    218,064.14x = 38,333,448,046.32
  5. Step 5: Solve for x
    x = 38,333,448,046.32/218,064.14
  6. Step 6: Final answer
    x = 175,789.79

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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.