Home / 238,799.87-329,530.81-131,352.56

Finding the Fourth Proportional to 238,799.87, 329,530.81 and 131,352.56

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Solution

The fourth proportional to 238,799.87, 329,530.81 and 131,352.56 is: 181,259.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,799.87 : 329,530.81 = 131,352.56 : x
  2. Step 2: Convert to fraction form
    238,799.87/329,530.81 = 131,352.56/x
  3. Step 3: Cross multiply
    238,799.87x = 329,530.81 × 131,352.56
  4. Step 4: Simplify right side
    238,799.87x = 43,284,715,492.37
  5. Step 5: Solve for x
    x = 43,284,715,492.37/238,799.87
  6. Step 6: Final answer
    x = 181,259.38

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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.