Home / 121,995.28-183,007.68-43,093.36

Finding the Fourth Proportional to 121,995.28, 183,007.68 and 43,093.36

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Solution

The fourth proportional to 121,995.28, 183,007.68 and 43,093.36 is: 64,645.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,995.28 : 183,007.68 = 43,093.36 : x
  2. Step 2: Convert to fraction form
    121,995.28/183,007.68 = 43,093.36/x
  3. Step 3: Cross multiply
    121,995.28x = 183,007.68 × 43,093.36
  4. Step 4: Simplify right side
    121,995.28x = 7,886,415,837.00
  5. Step 5: Solve for x
    x = 7,886,415,837.00/121,995.28
  6. Step 6: Final answer
    x = 64,645.25

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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.