Home / 239,065.35-329,912.40-131,637.84

Finding the Fourth Proportional to 239,065.35, 329,912.40 and 131,637.84

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Solution

The fourth proportional to 239,065.35, 329,912.40 and 131,637.84 is: 181,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,065.35 : 329,912.40 = 131,637.84 : x
  2. Step 2: Convert to fraction form
    239,065.35/329,912.40 = 131,637.84/x
  3. Step 3: Cross multiply
    239,065.35x = 329,912.40 × 131,637.84
  4. Step 4: Simplify right side
    239,065.35x = 43,428,955,725.22
  5. Step 5: Solve for x
    x = 43,428,955,725.22/239,065.35
  6. Step 6: Final answer
    x = 181,661.44

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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.