Home / 106,020.35-159,030.11-27,134.45

Finding the Fourth Proportional to 106,020.35, 159,030.11 and 27,134.45

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Solution

The fourth proportional to 106,020.35, 159,030.11 and 27,134.45 is: 40,701.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,020.35 : 159,030.11 = 27,134.45 : x
  2. Step 2: Convert to fraction form
    106,020.35/159,030.11 = 27,134.45/x
  3. Step 3: Cross multiply
    106,020.35x = 159,030.11 × 27,134.45
  4. Step 4: Simplify right side
    106,020.35x = 4,315,193,840.98
  5. Step 5: Solve for x
    x = 4,315,193,840.98/106,020.35
  6. Step 6: Final answer
    x = 40,701.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.