Home / 238,965.48-329,769.76-131,533.20

Finding the Fourth Proportional to 238,965.48, 329,769.76 and 131,533.20

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Solution

The fourth proportional to 238,965.48, 329,769.76 and 131,533.20 is: 181,514.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,965.48 : 329,769.76 = 131,533.20 : x
  2. Step 2: Convert to fraction form
    238,965.48/329,769.76 = 131,533.20/x
  3. Step 3: Cross multiply
    238,965.48x = 329,769.76 × 131,533.20
  4. Step 4: Simplify right side
    238,965.48x = 43,375,671,796.03
  5. Step 5: Solve for x
    x = 43,375,671,796.03/238,965.48
  6. Step 6: Final answer
    x = 181,514.38

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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.