Home / 106,171.20-159,494.40-88,675.20

Finding the Fourth Proportional to 106,171.20, 159,494.40 and 88,675.20

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Solution

The fourth proportional to 106,171.20, 159,494.40 and 88,675.20 is: 133,211.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,171.20 : 159,494.40 = 88,675.20 : x
  2. Step 2: Convert to fraction form
    106,171.20/159,494.40 = 88,675.20/x
  3. Step 3: Cross multiply
    106,171.20x = 159,494.40 × 88,675.20
  4. Step 4: Simplify right side
    106,171.20x = 14,143,197,818.88
  5. Step 5: Solve for x
    x = 14,143,197,818.88/106,171.20
  6. Step 6: Final answer
    x = 133,211.25

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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.