Home / 239,268.39-330,205.13-131,838.41

Finding the Fourth Proportional to 239,268.39, 330,205.13 and 131,838.41

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Solution

The fourth proportional to 239,268.39, 330,205.13 and 131,838.41 is: 181,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,268.39 : 330,205.13 = 131,838.41 : x
  2. Step 2: Convert to fraction form
    239,268.39/330,205.13 = 131,838.41/x
  3. Step 3: Cross multiply
    239,268.39x = 330,205.13 × 131,838.41
  4. Step 4: Simplify right side
    239,268.39x = 43,533,717,002.83
  5. Step 5: Solve for x
    x = 43,533,717,002.83/239,268.39
  6. Step 6: Final answer
    x = 181,945.12

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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.