Home / 238,723.48-329,438.52-131,300.80

Finding the Fourth Proportional to 238,723.48, 329,438.52 and 131,300.80

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Solution

The fourth proportional to 238,723.48, 329,438.52 and 131,300.80 is: 181,195.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,723.48 : 329,438.52 = 131,300.80 : x
  2. Step 2: Convert to fraction form
    238,723.48/329,438.52 = 131,300.80/x
  3. Step 3: Cross multiply
    238,723.48x = 329,438.52 × 131,300.80
  4. Step 4: Simplify right side
    238,723.48x = 43,255,541,226.82
  5. Step 5: Solve for x
    x = 43,255,541,226.82/238,723.48
  6. Step 6: Final answer
    x = 181,195.17

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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.