Home / 163,680.54-225,910.20-102,455.16

Finding the Fourth Proportional to 163,680.54, 225,910.20 and 102,455.16

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Solution

The fourth proportional to 163,680.54, 225,910.20 and 102,455.16 is: 141,407.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,680.54 : 225,910.20 = 102,455.16 : x
  2. Step 2: Convert to fraction form
    163,680.54/225,910.20 = 102,455.16/x
  3. Step 3: Cross multiply
    163,680.54x = 225,910.20 × 102,455.16
  4. Step 4: Simplify right side
    163,680.54x = 23,145,665,686.63
  5. Step 5: Solve for x
    x = 23,145,665,686.63/163,680.54
  6. Step 6: Final answer
    x = 141,407.56

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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.