Home / 203,028.07-304,604.38-90,802.68

Finding the Fourth Proportional to 203,028.07, 304,604.38 and 90,802.68

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Solution

The fourth proportional to 203,028.07, 304,604.38 and 90,802.68 is: 136,231.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,028.07 : 304,604.38 = 90,802.68 : x
  2. Step 2: Convert to fraction form
    203,028.07/304,604.38 = 90,802.68/x
  3. Step 3: Cross multiply
    203,028.07x = 304,604.38 × 90,802.68
  4. Step 4: Simplify right side
    203,028.07x = 27,658,894,043.74
  5. Step 5: Solve for x
    x = 27,658,894,043.74/203,028.07
  6. Step 6: Final answer
    x = 136,231.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.