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Finding the Fourth Proportional to 179,965, 248,351.72 and 104,518.36

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Solution

The fourth proportional to 179,965, 248,351.72 and 104,518.36 is: 144,235.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,965 : 248,351.72 = 104,518.36 : x
  2. Step 2: Convert to fraction form
    179,965/248,351.72 = 104,518.36/x
  3. Step 3: Cross multiply
    179,965x = 248,351.72 × 104,518.36
  4. Step 4: Simplify right side
    179,965x = 25,957,314,477.58
  5. Step 5: Solve for x
    x = 25,957,314,477.58/179,965
  6. Step 6: Final answer
    x = 144,235.35

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1.5x scale

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.