Home / 238,707.12-329,409.25-131,277.15

Finding the Fourth Proportional to 238,707.12, 329,409.25 and 131,277.15

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Solution

The fourth proportional to 238,707.12, 329,409.25 and 131,277.15 is: 181,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,707.12 : 329,409.25 = 131,277.15 : x
  2. Step 2: Convert to fraction form
    238,707.12/329,409.25 = 131,277.15/x
  3. Step 3: Cross multiply
    238,707.12x = 329,409.25 × 131,277.15
  4. Step 4: Simplify right side
    238,707.12x = 43,243,907,195.44
  5. Step 5: Solve for x
    x = 43,243,907,195.44/238,707.12
  6. Step 6: Final answer
    x = 181,158.85

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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.