Home / 142,093.07-212,989.43-47,297.96

Finding the Fourth Proportional to 142,093.07, 212,989.43 and 47,297.96

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Solution

The fourth proportional to 142,093.07, 212,989.43 and 47,297.96 is: 70,896.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,093.07 : 212,989.43 = 47,297.96 : x
  2. Step 2: Convert to fraction form
    142,093.07/212,989.43 = 47,297.96/x
  3. Step 3: Cross multiply
    142,093.07x = 212,989.43 × 47,297.96
  4. Step 4: Simplify right side
    142,093.07x = 10,073,964,239.13
  5. Step 5: Solve for x
    x = 10,073,964,239.13/142,093.07
  6. Step 6: Final answer
    x = 70,896.95

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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.