Home / 238,822.63-329,572.80-131,392.73

Finding the Fourth Proportional to 238,822.63, 329,572.80 and 131,392.73

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Solution

The fourth proportional to 238,822.63, 329,572.80 and 131,392.73 is: 181,320.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,822.63 : 329,572.80 = 131,392.73 : x
  2. Step 2: Convert to fraction form
    238,822.63/329,572.80 = 131,392.73/x
  3. Step 3: Cross multiply
    238,822.63x = 329,572.80 × 131,392.73
  4. Step 4: Simplify right side
    238,822.63x = 43,303,470,749.68
  5. Step 5: Solve for x
    x = 43,303,470,749.68/238,822.63
  6. Step 6: Final answer
    x = 181,320.64

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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.