Home / 238,701.41-329,400.40-131,271.11

Finding the Fourth Proportional to 238,701.41, 329,400.40 and 131,271.11

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Solution

The fourth proportional to 238,701.41, 329,400.40 and 131,271.11 is: 181,149.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,701.41 : 329,400.40 = 131,271.11 : x
  2. Step 2: Convert to fraction form
    238,701.41/329,400.40 = 131,271.11/x
  3. Step 3: Cross multiply
    238,701.41x = 329,400.40 × 131,271.11
  4. Step 4: Simplify right side
    238,701.41x = 43,240,756,142.44
  5. Step 5: Solve for x
    x = 43,240,756,142.44/238,701.41
  6. Step 6: Final answer
    x = 181,149.98

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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.