Home / 170,388.13-235,175.69-105,906.07

Finding the Fourth Proportional to 170,388.13, 235,175.69 and 105,906.07

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Solution

The fourth proportional to 170,388.13, 235,175.69 and 105,906.07 is: 146,175.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,388.13 : 235,175.69 = 105,906.07 : x
  2. Step 2: Convert to fraction form
    170,388.13/235,175.69 = 105,906.07/x
  3. Step 3: Cross multiply
    170,388.13x = 235,175.69 × 105,906.07
  4. Step 4: Simplify right side
    170,388.13x = 24,906,533,087.44
  5. Step 5: Solve for x
    x = 24,906,533,087.44/170,388.13
  6. Step 6: Final answer
    x = 146,175.28

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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.