Home / 100,106.51-150,184.37-29,985.82

Finding the Fourth Proportional to 100,106.51, 150,184.37 and 29,985.82

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Solution

The fourth proportional to 100,106.51, 150,184.37 and 29,985.82 is: 44,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,106.51 : 150,184.37 = 29,985.82 : x
  2. Step 2: Convert to fraction form
    100,106.51/150,184.37 = 29,985.82/x
  3. Step 3: Cross multiply
    100,106.51x = 150,184.37 × 29,985.82
  4. Step 4: Simplify right side
    100,106.51x = 4,503,401,396.69
  5. Step 5: Solve for x
    x = 4,503,401,396.69/100,106.51
  6. Step 6: Final answer
    x = 44,986.10

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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.