Home / 239,875.25-331,057.01-139,273.25

Finding the Fourth Proportional to 239,875.25, 331,057.01 and 139,273.25

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Solution

The fourth proportional to 239,875.25, 331,057.01 and 139,273.25 is: 192,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,875.25 : 331,057.01 = 139,273.25 : x
  2. Step 2: Convert to fraction form
    239,875.25/331,057.01 = 139,273.25/x
  3. Step 3: Cross multiply
    239,875.25x = 331,057.01 × 139,273.25
  4. Step 4: Simplify right side
    239,875.25x = 46,107,385,717.98
  5. Step 5: Solve for x
    x = 46,107,385,717.98/239,875.25
  6. Step 6: Final answer
    x = 192,214.02

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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.