Home / 255,022.17-352,004.72-170,139.03

Finding the Fourth Proportional to 255,022.17, 352,004.72 and 170,139.03

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Solution

The fourth proportional to 255,022.17, 352,004.72 and 170,139.03 is: 234,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,022.17 : 352,004.72 = 170,139.03 : x
  2. Step 2: Convert to fraction form
    255,022.17/352,004.72 = 170,139.03/x
  3. Step 3: Cross multiply
    255,022.17x = 352,004.72 × 170,139.03
  4. Step 4: Simplify right side
    255,022.17x = 59,889,740,765.53
  5. Step 5: Solve for x
    x = 59,889,740,765.53/255,022.17
  6. Step 6: Final answer
    x = 234,841.31

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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.