Home / 197,398.25-272,410.40-106,754.21

Finding the Fourth Proportional to 197,398.25, 272,410.40 and 106,754.21

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Solution

The fourth proportional to 197,398.25, 272,410.40 and 106,754.21 is: 147,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,398.25 : 272,410.40 = 106,754.21 : x
  2. Step 2: Convert to fraction form
    197,398.25/272,410.40 = 106,754.21/x
  3. Step 3: Cross multiply
    197,398.25x = 272,410.40 × 106,754.21
  4. Step 4: Simplify right side
    197,398.25x = 29,080,957,047.78
  5. Step 5: Solve for x
    x = 29,080,957,047.78/197,398.25
  6. Step 6: Final answer
    x = 147,321.25

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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.