Home / 239,631.32-330,690.83-130,735.65

Finding the Fourth Proportional to 239,631.32, 330,690.83 and 130,735.65

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Solution

The fourth proportional to 239,631.32, 330,690.83 and 130,735.65 is: 180,414.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,631.32 : 330,690.83 = 130,735.65 : x
  2. Step 2: Convert to fraction form
    239,631.32/330,690.83 = 130,735.65/x
  3. Step 3: Cross multiply
    239,631.32x = 330,690.83 × 130,735.65
  4. Step 4: Simplify right side
    239,631.32x = 43,233,079,955.41
  5. Step 5: Solve for x
    x = 43,233,079,955.41/239,631.32
  6. Step 6: Final answer
    x = 180,414.98

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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.