Home / 238,745.04-329,470.84-131,316.80

Finding the Fourth Proportional to 238,745.04, 329,470.84 and 131,316.80

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Solution

The fourth proportional to 238,745.04, 329,470.84 and 131,316.80 is: 181,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,745.04 : 329,470.84 = 131,316.80 : x
  2. Step 2: Convert to fraction form
    238,745.04/329,470.84 = 131,316.80/x
  3. Step 3: Cross multiply
    238,745.04x = 329,470.84 × 131,316.80
  4. Step 4: Simplify right side
    238,745.04x = 43,265,056,402.11
  5. Step 5: Solve for x
    x = 43,265,056,402.11/238,745.04
  6. Step 6: Final answer
    x = 181,218.66

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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.