Home / 238,644.72-329,320.86-131,208.36

Finding the Fourth Proportional to 238,644.72, 329,320.86 and 131,208.36

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Solution

The fourth proportional to 238,644.72, 329,320.86 and 131,208.36 is: 181,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,644.72 : 329,320.86 = 131,208.36 : x
  2. Step 2: Convert to fraction form
    238,644.72/329,320.86 = 131,208.36/x
  3. Step 3: Cross multiply
    238,644.72x = 329,320.86 × 131,208.36
  4. Step 4: Simplify right side
    238,644.72x = 43,209,649,954.39
  5. Step 5: Solve for x
    x = 43,209,649,954.39/238,644.72
  6. Step 6: Final answer
    x = 181,062.67

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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.