Home / 106,624.50-159,959.31-40,065.21

Finding the Fourth Proportional to 106,624.50, 159,959.31 and 40,065.21

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Solution

The fourth proportional to 106,624.50, 159,959.31 and 40,065.21 is: 60,106.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,624.50 : 159,959.31 = 40,065.21 : x
  2. Step 2: Convert to fraction form
    106,624.50/159,959.31 = 40,065.21/x
  3. Step 3: Cross multiply
    106,624.50x = 159,959.31 × 40,065.21
  4. Step 4: Simplify right side
    106,624.50x = 6,408,803,421.73
  5. Step 5: Solve for x
    x = 6,408,803,421.73/106,624.50
  6. Step 6: Final answer
    x = 60,106.29

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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.