Home / 203,315.27-304,700.74-90,971.51

Finding the Fourth Proportional to 203,315.27, 304,700.74 and 90,971.51

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Solution

The fourth proportional to 203,315.27, 304,700.74 and 90,971.51 is: 136,335.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,315.27 : 304,700.74 = 90,971.51 : x
  2. Step 2: Convert to fraction form
    203,315.27/304,700.74 = 90,971.51/x
  3. Step 3: Cross multiply
    203,315.27x = 304,700.74 × 90,971.51
  4. Step 4: Simplify right side
    203,315.27x = 27,719,084,664.98
  5. Step 5: Solve for x
    x = 27,719,084,664.98/203,315.27
  6. Step 6: Final answer
    x = 136,335.48

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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.