Home / 109,905.08-164,842.68-31,025.66

Finding the Fourth Proportional to 109,905.08, 164,842.68 and 31,025.66

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Solution

The fourth proportional to 109,905.08, 164,842.68 and 31,025.66 is: 46,534.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,905.08 : 164,842.68 = 31,025.66 : x
  2. Step 2: Convert to fraction form
    109,905.08/164,842.68 = 31,025.66/x
  3. Step 3: Cross multiply
    109,905.08x = 164,842.68 × 31,025.66
  4. Step 4: Simplify right side
    109,905.08x = 5,114,352,943.17
  5. Step 5: Solve for x
    x = 5,114,352,943.17/109,905.08
  6. Step 6: Final answer
    x = 46,534.27

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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.