Home / 238,701.23-329,401.13-131,271.26

Finding the Fourth Proportional to 238,701.23, 329,401.13 and 131,271.26

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Solution

The fourth proportional to 238,701.23, 329,401.13 and 131,271.26 is: 181,150.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,701.23 : 329,401.13 = 131,271.26 : x
  2. Step 2: Convert to fraction form
    238,701.23/329,401.13 = 131,271.26/x
  3. Step 3: Cross multiply
    238,701.23x = 329,401.13 × 131,271.26
  4. Step 4: Simplify right side
    238,701.23x = 43,240,901,380.52
  5. Step 5: Solve for x
    x = 43,240,901,380.52/238,701.23
  6. Step 6: Final answer
    x = 181,150.73

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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.