Home / 238,674.40-329,379.12-131,252.60

Finding the Fourth Proportional to 238,674.40, 329,379.12 and 131,252.60

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Solution

The fourth proportional to 238,674.40, 329,379.12 and 131,252.60 is: 181,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,674.40 : 329,379.12 = 131,252.60 : x
  2. Step 2: Convert to fraction form
    238,674.40/329,379.12 = 131,252.60/x
  3. Step 3: Cross multiply
    238,674.40x = 329,379.12 × 131,252.60
  4. Step 4: Simplify right side
    238,674.40x = 43,231,865,885.71
  5. Step 5: Solve for x
    x = 43,231,865,885.71/238,674.40
  6. Step 6: Final answer
    x = 181,133.23

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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.