Home / 143,501.82-198,010.14-83,060.64

Finding the Fourth Proportional to 143,501.82, 198,010.14 and 83,060.64

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Solution

The fourth proportional to 143,501.82, 198,010.14 and 83,060.64 is: 114,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,501.82 : 198,010.14 = 83,060.64 : x
  2. Step 2: Convert to fraction form
    143,501.82/198,010.14 = 83,060.64/x
  3. Step 3: Cross multiply
    143,501.82x = 198,010.14 × 83,060.64
  4. Step 4: Simplify right side
    143,501.82x = 16,446,848,954.89
  5. Step 5: Solve for x
    x = 16,446,848,954.89/143,501.82
  6. Step 6: Final answer
    x = 114,610.73

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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.