Home / 138,257.32-190,693.24-104,267.24

Finding the Fourth Proportional to 138,257.32, 190,693.24 and 104,267.24

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Solution

The fourth proportional to 138,257.32, 190,693.24 and 104,267.24 is: 143,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,257.32 : 190,693.24 = 104,267.24 : x
  2. Step 2: Convert to fraction form
    138,257.32/190,693.24 = 104,267.24/x
  3. Step 3: Cross multiply
    138,257.32x = 190,693.24 × 104,267.24
  4. Step 4: Simplify right side
    138,257.32x = 19,883,057,300.12
  5. Step 5: Solve for x
    x = 19,883,057,300.12/138,257.32
  6. Step 6: Final answer
    x = 143,811.97

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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.