Home / 190,456.27-262,823.94-104,412.31

Finding the Fourth Proportional to 190,456.27, 262,823.94 and 104,412.31

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Solution

The fourth proportional to 190,456.27, 262,823.94 and 104,412.31 is: 144,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,456.27 : 262,823.94 = 104,412.31 : x
  2. Step 2: Convert to fraction form
    190,456.27/262,823.94 = 104,412.31/x
  3. Step 3: Cross multiply
    190,456.27x = 262,823.94 × 104,412.31
  4. Step 4: Simplify right side
    190,456.27x = 27,442,054,041.64
  5. Step 5: Solve for x
    x = 27,442,054,041.64/190,456.27
  6. Step 6: Final answer
    x = 144,085.85

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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.