Home / 143,046.02-197,412.45-82,627.73

Finding the Fourth Proportional to 143,046.02, 197,412.45 and 82,627.73

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Solution

The fourth proportional to 143,046.02, 197,412.45 and 82,627.73 is: 114,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,046.02 : 197,412.45 = 82,627.73 : x
  2. Step 2: Convert to fraction form
    143,046.02/197,412.45 = 82,627.73/x
  3. Step 3: Cross multiply
    143,046.02x = 197,412.45 × 82,627.73
  4. Step 4: Simplify right side
    143,046.02x = 16,311,742,617.24
  5. Step 5: Solve for x
    x = 16,311,742,617.24/143,046.02
  6. Step 6: Final answer
    x = 114,031.43

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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.