Home / 239,304.78-330,236.32-130,410.06

Finding the Fourth Proportional to 239,304.78, 330,236.32 and 130,410.06

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Solution

The fourth proportional to 239,304.78, 330,236.32 and 130,410.06 is: 179,963.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,304.78 : 330,236.32 = 130,410.06 : x
  2. Step 2: Convert to fraction form
    239,304.78/330,236.32 = 130,410.06/x
  3. Step 3: Cross multiply
    239,304.78x = 330,236.32 × 130,410.06
  4. Step 4: Simplify right side
    239,304.78x = 43,066,138,305.38
  5. Step 5: Solve for x
    x = 43,066,138,305.38/239,304.78
  6. Step 6: Final answer
    x = 179,963.55

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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.