Home / 203,190.30-304,637.79-84,895.47

Finding the Fourth Proportional to 203,190.30, 304,637.79 and 84,895.47

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Solution

The fourth proportional to 203,190.30, 304,637.79 and 84,895.47 is: 127,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,190.30 : 304,637.79 = 84,895.47 : x
  2. Step 2: Convert to fraction form
    203,190.30/304,637.79 = 84,895.47/x
  3. Step 3: Cross multiply
    203,190.30x = 304,637.79 × 84,895.47
  4. Step 4: Simplify right side
    203,190.30x = 25,862,368,361.81
  5. Step 5: Solve for x
    x = 25,862,368,361.81/203,190.30
  6. Step 6: Final answer
    x = 127,281.51

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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.