Home / 109,801.36-164,804.10-43,287.40

Finding the Fourth Proportional to 109,801.36, 164,804.10 and 43,287.40

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Solution

The fourth proportional to 109,801.36, 164,804.10 and 43,287.40 is: 64,971.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,801.36 : 164,804.10 = 43,287.40 : x
  2. Step 2: Convert to fraction form
    109,801.36/164,804.10 = 43,287.40/x
  3. Step 3: Cross multiply
    109,801.36x = 164,804.10 × 43,287.40
  4. Step 4: Simplify right side
    109,801.36x = 7,133,940,998.34
  5. Step 5: Solve for x
    x = 7,133,940,998.34/109,801.36
  6. Step 6: Final answer
    x = 64,971.34

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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.