Home / 238,653.09-329,342.49-131,230.05

Finding the Fourth Proportional to 238,653.09, 329,342.49 and 131,230.05

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Solution

The fourth proportional to 238,653.09, 329,342.49 and 131,230.05 is: 181,098.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,653.09 : 329,342.49 = 131,230.05 : x
  2. Step 2: Convert to fraction form
    238,653.09/329,342.49 = 131,230.05/x
  3. Step 3: Cross multiply
    238,653.09x = 329,342.49 × 131,230.05
  4. Step 4: Simplify right side
    238,653.09x = 43,219,631,429.82
  5. Step 5: Solve for x
    x = 43,219,631,429.82/238,653.09
  6. Step 6: Final answer
    x = 181,098.14

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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.