Home / 190,004.37-285,006.27-76,203.51

Finding the Fourth Proportional to 190,004.37, 285,006.27 and 76,203.51

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Solution

The fourth proportional to 190,004.37, 285,006.27 and 76,203.51 is: 114,305.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,004.37 : 285,006.27 = 76,203.51 : x
  2. Step 2: Convert to fraction form
    190,004.37/285,006.27 = 76,203.51/x
  3. Step 3: Cross multiply
    190,004.37x = 285,006.27 × 76,203.51
  4. Step 4: Simplify right side
    190,004.37x = 21,718,478,146.01
  5. Step 5: Solve for x
    x = 21,718,478,146.01/190,004.37
  6. Step 6: Final answer
    x = 114,305.15

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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.