Home / 75,137.22-112,706.37-30,768.53

Finding the Fourth Proportional to 75,137.22, 112,706.37 and 30,768.53

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Solution

The fourth proportional to 75,137.22, 112,706.37 and 30,768.53 is: 46,153.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,137.22 : 112,706.37 = 30,768.53 : x
  2. Step 2: Convert to fraction form
    75,137.22/112,706.37 = 30,768.53/x
  3. Step 3: Cross multiply
    75,137.22x = 112,706.37 × 30,768.53
  4. Step 4: Simplify right side
    75,137.22x = 3,467,808,763.00
  5. Step 5: Solve for x
    x = 3,467,808,763.00/75,137.22
  6. Step 6: Final answer
    x = 46,153.01

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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.