Home / 238,634.88-329,316.36-131,206.74

Finding the Fourth Proportional to 238,634.88, 329,316.36 and 131,206.74

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Solution

The fourth proportional to 238,634.88, 329,316.36 and 131,206.74 is: 181,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,634.88 : 329,316.36 = 131,206.74 : x
  2. Step 2: Convert to fraction form
    238,634.88/329,316.36 = 131,206.74/x
  3. Step 3: Cross multiply
    238,634.88x = 329,316.36 × 131,206.74
  4. Step 4: Simplify right side
    238,634.88x = 43,208,526,024.27
  5. Step 5: Solve for x
    x = 43,208,526,024.27/238,634.88
  6. Step 6: Final answer
    x = 181,065.43

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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.