Home / 239,340.49-330,292.01-131,914.28

Finding the Fourth Proportional to 239,340.49, 330,292.01 and 131,914.28

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Solution

The fourth proportional to 239,340.49, 330,292.01 and 131,914.28 is: 182,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,340.49 : 330,292.01 = 131,914.28 : x
  2. Step 2: Convert to fraction form
    239,340.49/330,292.01 = 131,914.28/x
  3. Step 3: Cross multiply
    239,340.49x = 330,292.01 × 131,914.28
  4. Step 4: Simplify right side
    239,340.49x = 43,570,233,844.42
  5. Step 5: Solve for x
    x = 43,570,233,844.42/239,340.49
  6. Step 6: Final answer
    x = 182,042.89

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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.