Home / 91,094.22-136,821.42-55,143.36

Finding the Fourth Proportional to 91,094.22, 136,821.42 and 55,143.36

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Solution

The fourth proportional to 91,094.22, 136,821.42 and 55,143.36 is: 82,824.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,094.22 : 136,821.42 = 55,143.36 : x
  2. Step 2: Convert to fraction form
    91,094.22/136,821.42 = 55,143.36/x
  3. Step 3: Cross multiply
    91,094.22x = 136,821.42 × 55,143.36
  4. Step 4: Simplify right side
    91,094.22x = 7,544,792,818.77
  5. Step 5: Solve for x
    x = 7,544,792,818.77/91,094.22
  6. Step 6: Final answer
    x = 82,824.06

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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.