Home / 232,138.16-320,232.74-151,612.82

Finding the Fourth Proportional to 232,138.16, 320,232.74 and 151,612.82

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Solution

The fourth proportional to 232,138.16, 320,232.74 and 151,612.82 is: 209,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,138.16 : 320,232.74 = 151,612.82 : x
  2. Step 2: Convert to fraction form
    232,138.16/320,232.74 = 151,612.82/x
  3. Step 3: Cross multiply
    232,138.16x = 320,232.74 × 151,612.82
  4. Step 4: Simplify right side
    232,138.16x = 48,551,388,767.73
  5. Step 5: Solve for x
    x = 48,551,388,767.73/232,138.16
  6. Step 6: Final answer
    x = 209,148.68

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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.