Home / 239,236.47-330,134.10-131,804.34

Finding the Fourth Proportional to 239,236.47, 330,134.10 and 131,804.34

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Solution

The fourth proportional to 239,236.47, 330,134.10 and 131,804.34 is: 181,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,236.47 : 330,134.10 = 131,804.34 : x
  2. Step 2: Convert to fraction form
    239,236.47/330,134.10 = 131,804.34/x
  3. Step 3: Cross multiply
    239,236.47x = 330,134.10 × 131,804.34
  4. Step 4: Simplify right side
    239,236.47x = 43,513,107,161.99
  5. Step 5: Solve for x
    x = 43,513,107,161.99/239,236.47
  6. Step 6: Final answer
    x = 181,883.25

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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.