Home / 238,512.51-329,155.16-131,086.35

Finding the Fourth Proportional to 238,512.51, 329,155.16 and 131,086.35

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Solution

The fourth proportional to 238,512.51, 329,155.16 and 131,086.35 is: 180,903.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,512.51 : 329,155.16 = 131,086.35 : x
  2. Step 2: Convert to fraction form
    238,512.51/329,155.16 = 131,086.35/x
  3. Step 3: Cross multiply
    238,512.51x = 329,155.16 × 131,086.35
  4. Step 4: Simplify right side
    238,512.51x = 43,147,747,852.63
  5. Step 5: Solve for x
    x = 43,147,747,852.63/238,512.51
  6. Step 6: Final answer
    x = 180,903.50

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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.