Home / 164,054.40-246,081.60-81,110.40

Finding the Fourth Proportional to 164,054.40, 246,081.60 and 81,110.40

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Solution

The fourth proportional to 164,054.40, 246,081.60 and 81,110.40 is: 121,665.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,054.40 : 246,081.60 = 81,110.40 : x
  2. Step 2: Convert to fraction form
    164,054.40/246,081.60 = 81,110.40/x
  3. Step 3: Cross multiply
    164,054.40x = 246,081.60 × 81,110.40
  4. Step 4: Simplify right side
    164,054.40x = 19,959,777,008.64
  5. Step 5: Solve for x
    x = 19,959,777,008.64/164,054.40
  6. Step 6: Final answer
    x = 121,665.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.