Home / 190,370.58-262,705.66-104,328.51

Finding the Fourth Proportional to 190,370.58, 262,705.66 and 104,328.51

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Solution

The fourth proportional to 190,370.58, 262,705.66 and 104,328.51 is: 143,970.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,370.58 : 262,705.66 = 104,328.51 : x
  2. Step 2: Convert to fraction form
    190,370.58/262,705.66 = 104,328.51/x
  3. Step 3: Cross multiply
    190,370.58x = 262,705.66 × 104,328.51
  4. Step 4: Simplify right side
    190,370.58x = 27,407,690,076.37
  5. Step 5: Solve for x
    x = 27,407,690,076.37/190,370.58
  6. Step 6: Final answer
    x = 143,970.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.