Home / 218,623.80-327,935.70-130,150.20

Finding the Fourth Proportional to 218,623.80, 327,935.70 and 130,150.20

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Solution

The fourth proportional to 218,623.80, 327,935.70 and 130,150.20 is: 195,225.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,623.80 : 327,935.70 = 130,150.20 : x
  2. Step 2: Convert to fraction form
    218,623.80/327,935.70 = 130,150.20/x
  3. Step 3: Cross multiply
    218,623.80x = 327,935.70 × 130,150.20
  4. Step 4: Simplify right side
    218,623.80x = 42,680,896,942.14
  5. Step 5: Solve for x
    x = 42,680,896,942.14/218,623.80
  6. Step 6: Final answer
    x = 195,225.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.