Home / 238,688.64-329,383.36-131,258.56

Finding the Fourth Proportional to 238,688.64, 329,383.36 and 131,258.56

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Solution

The fourth proportional to 238,688.64, 329,383.36 and 131,258.56 is: 181,132.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,688.64 : 329,383.36 = 131,258.56 : x
  2. Step 2: Convert to fraction form
    238,688.64/329,383.36 = 131,258.56/x
  3. Step 3: Cross multiply
    238,688.64x = 329,383.36 × 131,258.56
  4. Step 4: Simplify right side
    238,688.64x = 43,234,385,521.56
  5. Step 5: Solve for x
    x = 43,234,385,521.56/238,688.64
  6. Step 6: Final answer
    x = 181,132.98

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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.