Home / 234,943.97-324,075.20-139,383

Finding the Fourth Proportional to 234,943.97, 324,075.20 and 139,383

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Solution

The fourth proportional to 234,943.97, 324,075.20 and 139,383 is: 192,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,943.97 : 324,075.20 = 139,383 : x
  2. Step 2: Convert to fraction form
    234,943.97/324,075.20 = 139,383/x
  3. Step 3: Cross multiply
    234,943.97x = 324,075.20 × 139,383
  4. Step 4: Simplify right side
    234,943.97x = 45,170,572,904.69
  5. Step 5: Solve for x
    x = 45,170,572,904.69/234,943.97
  6. Step 6: Final answer
    x = 192,261.05

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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.