Home / 238,563.80-329,214.35-131,131.53

Finding the Fourth Proportional to 238,563.80, 329,214.35 and 131,131.53

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Solution

The fourth proportional to 238,563.80, 329,214.35 and 131,131.53 is: 180,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,563.80 : 329,214.35 = 131,131.53 : x
  2. Step 2: Convert to fraction form
    238,563.80/329,214.35 = 131,131.53/x
  3. Step 3: Cross multiply
    238,563.80x = 329,214.35 × 131,131.53
  4. Step 4: Simplify right side
    238,563.80x = 43,170,381,413.46
  5. Step 5: Solve for x
    x = 43,170,381,413.46/238,563.80
  6. Step 6: Final answer
    x = 180,959.48

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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.