Home / 170,054.04-254,971.70-81,305.56

Finding the Fourth Proportional to 170,054.04, 254,971.70 and 81,305.56

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Solution

The fourth proportional to 170,054.04, 254,971.70 and 81,305.56 is: 121,906.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,054.04 : 254,971.70 = 81,305.56 : x
  2. Step 2: Convert to fraction form
    170,054.04/254,971.70 = 81,305.56/x
  3. Step 3: Cross multiply
    170,054.04x = 254,971.70 × 81,305.56
  4. Step 4: Simplify right side
    170,054.04x = 20,730,616,852.65
  5. Step 5: Solve for x
    x = 20,730,616,852.65/170,054.04
  6. Step 6: Final answer
    x = 121,906.05

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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.