Home / 131,994.36-181,976-104,860.48

Finding the Fourth Proportional to 131,994.36, 181,976 and 104,860.48

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Solution

The fourth proportional to 131,994.36, 181,976 and 104,860.48 is: 144,567.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,994.36 : 181,976 = 104,860.48 : x
  2. Step 2: Convert to fraction form
    131,994.36/181,976 = 104,860.48/x
  3. Step 3: Cross multiply
    131,994.36x = 181,976 × 104,860.48
  4. Step 4: Simplify right side
    131,994.36x = 19,082,090,708.48
  5. Step 5: Solve for x
    x = 19,082,090,708.48/131,994.36
  6. Step 6: Final answer
    x = 144,567.47

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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.