Home / 253,936.31-350,436.02-139,225.92

Finding the Fourth Proportional to 253,936.31, 350,436.02 and 139,225.92

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Solution

The fourth proportional to 253,936.31, 350,436.02 and 139,225.92 is: 192,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,936.31 : 350,436.02 = 139,225.92 : x
  2. Step 2: Convert to fraction form
    253,936.31/350,436.02 = 139,225.92/x
  3. Step 3: Cross multiply
    253,936.31x = 350,436.02 × 139,225.92
  4. Step 4: Simplify right side
    253,936.31x = 48,789,776,589.51
  5. Step 5: Solve for x
    x = 48,789,776,589.51/253,936.31
  6. Step 6: Final answer
    x = 192,133.92

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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.