Home / 109,518.44-164,252.55-30,640.64

Finding the Fourth Proportional to 109,518.44, 164,252.55 and 30,640.64

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Solution

The fourth proportional to 109,518.44, 164,252.55 and 30,640.64 is: 45,953.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,518.44 : 164,252.55 = 30,640.64 : x
  2. Step 2: Convert to fraction form
    109,518.44/164,252.55 = 30,640.64/x
  3. Step 3: Cross multiply
    109,518.44x = 164,252.55 × 30,640.64
  4. Step 4: Simplify right side
    109,518.44x = 5,032,803,253.63
  5. Step 5: Solve for x
    x = 5,032,803,253.63/109,518.44
  6. Step 6: Final answer
    x = 45,953.93

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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.