Home / 109,721.77-164,623.65-43,208.27

Finding the Fourth Proportional to 109,721.77, 164,623.65 and 43,208.27

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Solution

The fourth proportional to 109,721.77, 164,623.65 and 43,208.27 is: 64,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,721.77 : 164,623.65 = 43,208.27 : x
  2. Step 2: Convert to fraction form
    109,721.77/164,623.65 = 43,208.27/x
  3. Step 3: Cross multiply
    109,721.77x = 164,623.65 × 43,208.27
  4. Step 4: Simplify right side
    109,721.77x = 7,113,102,749.77
  5. Step 5: Solve for x
    x = 7,113,102,749.77/109,721.77
  6. Step 6: Final answer
    x = 64,828.55

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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.