Home / 246,426.36-340,072.29-138,998.53

Finding the Fourth Proportional to 246,426.36, 340,072.29 and 138,998.53

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Solution

The fourth proportional to 246,426.36, 340,072.29 and 138,998.53 is: 191,820.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,426.36 : 340,072.29 = 138,998.53 : x
  2. Step 2: Convert to fraction form
    246,426.36/340,072.29 = 138,998.53/x
  3. Step 3: Cross multiply
    246,426.36x = 340,072.29 × 138,998.53
  4. Step 4: Simplify right side
    246,426.36x = 47,269,546,915.92
  5. Step 5: Solve for x
    x = 47,269,546,915.92/246,426.36
  6. Step 6: Final answer
    x = 191,820.18

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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.