Home / 143,045.02-197,411.07-82,626.73

Finding the Fourth Proportional to 143,045.02, 197,411.07 and 82,626.73

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Solution

The fourth proportional to 143,045.02, 197,411.07 and 82,626.73 is: 114,030.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,045.02 : 197,411.07 = 82,626.73 : x
  2. Step 2: Convert to fraction form
    143,045.02/197,411.07 = 82,626.73/x
  3. Step 3: Cross multiply
    143,045.02x = 197,411.07 × 82,626.73
  4. Step 4: Simplify right side
    143,045.02x = 16,311,431,179.90
  5. Step 5: Solve for x
    x = 16,311,431,179.90/143,045.02
  6. Step 6: Final answer
    x = 114,030.05

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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.