Home / 238,642.40-329,327.75-131,219.35

Finding the Fourth Proportional to 238,642.40, 329,327.75 and 131,219.35

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Solution

The fourth proportional to 238,642.40, 329,327.75 and 131,219.35 is: 181,083.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,642.40 : 329,327.75 = 131,219.35 : x
  2. Step 2: Convert to fraction form
    238,642.40/329,327.75 = 131,219.35/x
  3. Step 3: Cross multiply
    238,642.40x = 329,327.75 × 131,219.35
  4. Step 4: Simplify right side
    238,642.40x = 43,214,171,812.55
  5. Step 5: Solve for x
    x = 43,214,171,812.55/238,642.40
  6. Step 6: Final answer
    x = 181,083.38

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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.