Home / 239,187.09-329,951.52-142,322.16

Finding the Fourth Proportional to 239,187.09, 329,951.52 and 142,322.16

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Solution

The fourth proportional to 239,187.09, 329,951.52 and 142,322.16 is: 196,329.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,187.09 : 329,951.52 = 142,322.16 : x
  2. Step 2: Convert to fraction form
    239,187.09/329,951.52 = 142,322.16/x
  3. Step 3: Cross multiply
    239,187.09x = 329,951.52 × 142,322.16
  4. Step 4: Simplify right side
    239,187.09x = 46,959,413,021.68
  5. Step 5: Solve for x
    x = 46,959,413,021.68/239,187.09
  6. Step 6: Final answer
    x = 196,329.21

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1.5x scale

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.