Home / 236,408.73-326,232.66-128,972.37

Finding the Fourth Proportional to 236,408.73, 326,232.66 and 128,972.37

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Solution

The fourth proportional to 236,408.73, 326,232.66 and 128,972.37 is: 177,975.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,408.73 : 326,232.66 = 128,972.37 : x
  2. Step 2: Convert to fraction form
    236,408.73/326,232.66 = 128,972.37/x
  3. Step 3: Cross multiply
    236,408.73x = 326,232.66 × 128,972.37
  4. Step 4: Simplify right side
    236,408.73x = 42,074,999,331.60
  5. Step 5: Solve for x
    x = 42,074,999,331.60/236,408.73
  6. Step 6: Final answer
    x = 177,975.66

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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.