Home / 238,515.64-329,159.47-131,089.48

Finding the Fourth Proportional to 238,515.64, 329,159.47 and 131,089.48

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Solution

The fourth proportional to 238,515.64, 329,159.47 and 131,089.48 is: 180,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,515.64 : 329,159.47 = 131,089.48 : x
  2. Step 2: Convert to fraction form
    238,515.64/329,159.47 = 131,089.48/x
  3. Step 3: Cross multiply
    238,515.64x = 329,159.47 × 131,089.48
  4. Step 4: Simplify right side
    238,515.64x = 43,149,343,759.38
  5. Step 5: Solve for x
    x = 43,149,343,759.38/238,515.64
  6. Step 6: Final answer
    x = 180,907.82

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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.