Home / 103,730.22-155,588.58-51,093.18

Finding the Fourth Proportional to 103,730.22, 155,588.58 and 51,093.18

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Solution

The fourth proportional to 103,730.22, 155,588.58 and 51,093.18 is: 76,636.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,730.22 : 155,588.58 = 51,093.18 : x
  2. Step 2: Convert to fraction form
    103,730.22/155,588.58 = 51,093.18/x
  3. Step 3: Cross multiply
    103,730.22x = 155,588.58 × 51,093.18
  4. Step 4: Simplify right side
    103,730.22x = 7,949,515,323.88
  5. Step 5: Solve for x
    x = 7,949,515,323.88/103,730.22
  6. Step 6: Final answer
    x = 76,636.45

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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.