Home / 255,022.44-352,005.06-170,139.28

Finding the Fourth Proportional to 255,022.44, 352,005.06 and 170,139.28

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Solution

The fourth proportional to 255,022.44, 352,005.06 and 170,139.28 is: 234,841.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,022.44 : 352,005.06 = 170,139.28 : x
  2. Step 2: Convert to fraction form
    255,022.44/352,005.06 = 170,139.28/x
  3. Step 3: Cross multiply
    255,022.44x = 352,005.06 × 170,139.28
  4. Step 4: Simplify right side
    255,022.44x = 59,889,887,464.76
  5. Step 5: Solve for x
    x = 59,889,887,464.76/255,022.44
  6. Step 6: Final answer
    x = 234,841.64

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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.