Home / 238,703.75-329,404.59-131,273.78

Finding the Fourth Proportional to 238,703.75, 329,404.59 and 131,273.78

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Solution

The fourth proportional to 238,703.75, 329,404.59 and 131,273.78 is: 181,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,703.75 : 329,404.59 = 131,273.78 : x
  2. Step 2: Convert to fraction form
    238,703.75/329,404.59 = 131,273.78/x
  3. Step 3: Cross multiply
    238,703.75x = 329,404.59 × 131,273.78
  4. Step 4: Simplify right side
    238,703.75x = 43,242,184,031.63
  5. Step 5: Solve for x
    x = 43,242,184,031.63/238,703.75
  6. Step 6: Final answer
    x = 181,154.19

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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.