Home / 121,027.36-181,415.97-46,127.40

Finding the Fourth Proportional to 121,027.36, 181,415.97 and 46,127.40

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Solution

The fourth proportional to 121,027.36, 181,415.97 and 46,127.40 is: 69,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,027.36 : 181,415.97 = 46,127.40 : x
  2. Step 2: Convert to fraction form
    121,027.36/181,415.97 = 46,127.40/x
  3. Step 3: Cross multiply
    121,027.36x = 181,415.97 × 46,127.40
  4. Step 4: Simplify right side
    121,027.36x = 8,368,247,014.58
  5. Step 5: Solve for x
    x = 8,368,247,014.58/121,027.36
  6. Step 6: Final answer
    x = 69,143.43

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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.