Home / 239,270.64-330,208.23-131,840.66

Finding the Fourth Proportional to 239,270.64, 330,208.23 and 131,840.66

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Solution

The fourth proportional to 239,270.64, 330,208.23 and 131,840.66 is: 181,948.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,270.64 : 330,208.23 = 131,840.66 : x
  2. Step 2: Convert to fraction form
    239,270.64/330,208.23 = 131,840.66/x
  3. Step 3: Cross multiply
    239,270.64x = 330,208.23 × 131,840.66
  4. Step 4: Simplify right side
    239,270.64x = 43,534,869,329.59
  5. Step 5: Solve for x
    x = 43,534,869,329.59/239,270.64
  6. Step 6: Final answer
    x = 181,948.23

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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.