Home / 238,515.51-329,159.30-131,089.35

Finding the Fourth Proportional to 238,515.51, 329,159.30 and 131,089.35

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Solution

The fourth proportional to 238,515.51, 329,159.30 and 131,089.35 is: 180,907.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,515.51 : 329,159.30 = 131,089.35 : x
  2. Step 2: Convert to fraction form
    238,515.51/329,159.30 = 131,089.35/x
  3. Step 3: Cross multiply
    238,515.51x = 329,159.30 × 131,089.35
  4. Step 4: Simplify right side
    238,515.51x = 43,149,278,028.01
  5. Step 5: Solve for x
    x = 43,149,278,028.01/238,515.51
  6. Step 6: Final answer
    x = 180,907.64

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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.