Home / 239,308.07-330,247.32-131,881.94

Finding the Fourth Proportional to 239,308.07, 330,247.32 and 131,881.94

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Solution

The fourth proportional to 239,308.07, 330,247.32 and 131,881.94 is: 181,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,308.07 : 330,247.32 = 131,881.94 : x
  2. Step 2: Convert to fraction form
    239,308.07/330,247.32 = 131,881.94/x
  3. Step 3: Cross multiply
    239,308.07x = 330,247.32 × 131,881.94
  4. Step 4: Simplify right side
    239,308.07x = 43,553,657,241.40
  5. Step 5: Solve for x
    x = 43,553,657,241.40/239,308.07
  6. Step 6: Final answer
    x = 181,998.28

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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.