Home / 238,636.74-329,315.75-131,205.83

Finding the Fourth Proportional to 238,636.74, 329,315.75 and 131,205.83

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Solution

The fourth proportional to 238,636.74, 329,315.75 and 131,205.83 is: 181,062.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,636.74 : 329,315.75 = 131,205.83 : x
  2. Step 2: Convert to fraction form
    238,636.74/329,315.75 = 131,205.83/x
  3. Step 3: Cross multiply
    238,636.74x = 329,315.75 × 131,205.83
  4. Step 4: Simplify right side
    238,636.74x = 43,208,146,478.08
  5. Step 5: Solve for x
    x = 43,208,146,478.08/238,636.74
  6. Step 6: Final answer
    x = 181,062.42

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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.