Home / 239,356.16-330,253.44-143,936

Finding the Fourth Proportional to 239,356.16, 330,253.44 and 143,936

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Solution

The fourth proportional to 239,356.16, 330,253.44 and 143,936 is: 198,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,356.16 : 330,253.44 = 143,936 : x
  2. Step 2: Convert to fraction form
    239,356.16/330,253.44 = 143,936/x
  3. Step 3: Cross multiply
    239,356.16x = 330,253.44 × 143,936
  4. Step 4: Simplify right side
    239,356.16x = 47,535,359,139.84
  5. Step 5: Solve for x
    x = 47,535,359,139.84/239,356.16
  6. Step 6: Final answer
    x = 198,596.77

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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.