Home / 239,086.36-329,840.30-142,271

Finding the Fourth Proportional to 239,086.36, 329,840.30 and 142,271

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Solution

The fourth proportional to 239,086.36, 329,840.30 and 142,271 is: 196,275.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,086.36 : 329,840.30 = 142,271 : x
  2. Step 2: Convert to fraction form
    239,086.36/329,840.30 = 142,271/x
  3. Step 3: Cross multiply
    239,086.36x = 329,840.30 × 142,271
  4. Step 4: Simplify right side
    239,086.36x = 46,926,709,321.30
  5. Step 5: Solve for x
    x = 46,926,709,321.30/239,086.36
  6. Step 6: Final answer
    x = 196,275.14

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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.