Home / 159,764.37-238,338.19-155,420.79

Finding the Fourth Proportional to 159,764.37, 238,338.19 and 155,420.79

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Solution

The fourth proportional to 159,764.37, 238,338.19 and 155,420.79 is: 231,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,764.37 : 238,338.19 = 155,420.79 : x
  2. Step 2: Convert to fraction form
    159,764.37/238,338.19 = 155,420.79/x
  3. Step 3: Cross multiply
    159,764.37x = 238,338.19 × 155,420.79
  4. Step 4: Simplify right side
    159,764.37x = 37,042,709,388.42
  5. Step 5: Solve for x
    x = 37,042,709,388.42/159,764.37
  6. Step 6: Final answer
    x = 231,858.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.