Home / 143,458.83-197,997.21-83,019.06

Finding the Fourth Proportional to 143,458.83, 197,997.21 and 83,019.06

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Solution

The fourth proportional to 143,458.83, 197,997.21 and 83,019.06 is: 114,580.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,458.83 : 197,997.21 = 83,019.06 : x
  2. Step 2: Convert to fraction form
    143,458.83/197,997.21 = 83,019.06/x
  3. Step 3: Cross multiply
    143,458.83x = 197,997.21 × 83,019.06
  4. Step 4: Simplify right side
    143,458.83x = 16,437,542,256.82
  5. Step 5: Solve for x
    x = 16,437,542,256.82/143,458.83
  6. Step 6: Final answer
    x = 114,580.21

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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.