Home / 115,419.45-173,107.31-40,521.99

Finding the Fourth Proportional to 115,419.45, 173,107.31 and 40,521.99

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Solution

The fourth proportional to 115,419.45, 173,107.31 and 40,521.99 is: 60,775.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,419.45 : 173,107.31 = 40,521.99 : x
  2. Step 2: Convert to fraction form
    115,419.45/173,107.31 = 40,521.99/x
  3. Step 3: Cross multiply
    115,419.45x = 173,107.31 × 40,521.99
  4. Step 4: Simplify right side
    115,419.45x = 7,014,652,482.14
  5. Step 5: Solve for x
    x = 7,014,652,482.14/115,419.45
  6. Step 6: Final answer
    x = 60,775.31

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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.