Home / 163,512.73-225,555.26-102,979.34

Finding the Fourth Proportional to 163,512.73, 225,555.26 and 102,979.34

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Solution

The fourth proportional to 163,512.73, 225,555.26 and 102,979.34 is: 142,053.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,512.73 : 225,555.26 = 102,979.34 : x
  2. Step 2: Convert to fraction form
    163,512.73/225,555.26 = 102,979.34/x
  3. Step 3: Cross multiply
    163,512.73x = 225,555.26 × 102,979.34
  4. Step 4: Simplify right side
    163,512.73x = 23,227,531,808.33
  5. Step 5: Solve for x
    x = 23,227,531,808.33/163,512.73
  6. Step 6: Final answer
    x = 142,053.35

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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.