Home / 143,293.62-197,729.50-82,855.12

Finding the Fourth Proportional to 143,293.62, 197,729.50 and 82,855.12

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Solution

The fourth proportional to 143,293.62, 197,729.50 and 82,855.12 is: 114,330.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,293.62 : 197,729.50 = 82,855.12 : x
  2. Step 2: Convert to fraction form
    143,293.62/197,729.50 = 82,855.12/x
  3. Step 3: Cross multiply
    143,293.62x = 197,729.50 × 82,855.12
  4. Step 4: Simplify right side
    143,293.62x = 16,382,900,541.44
  5. Step 5: Solve for x
    x = 16,382,900,541.44/143,293.62
  6. Step 6: Final answer
    x = 114,330.98

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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.