Home / 239,304.82-330,236.41-130,410.13

Finding the Fourth Proportional to 239,304.82, 330,236.41 and 130,410.13

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Solution

The fourth proportional to 239,304.82, 330,236.41 and 130,410.13 is: 179,963.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,304.82 : 330,236.41 = 130,410.13 : x
  2. Step 2: Convert to fraction form
    239,304.82/330,236.41 = 130,410.13/x
  3. Step 3: Cross multiply
    239,304.82x = 330,236.41 × 130,410.13
  4. Step 4: Simplify right side
    239,304.82x = 43,066,173,158.83
  5. Step 5: Solve for x
    x = 43,066,173,158.83/239,304.82
  6. Step 6: Final answer
    x = 179,963.67

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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.