Home / 197,755.80-272,903.44-107,111.40

Finding the Fourth Proportional to 197,755.80, 272,903.44 and 107,111.40

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Solution

The fourth proportional to 197,755.80, 272,903.44 and 107,111.40 is: 147,813.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,755.80 : 272,903.44 = 107,111.40 : x
  2. Step 2: Convert to fraction form
    197,755.80/272,903.44 = 107,111.40/x
  3. Step 3: Cross multiply
    197,755.80x = 272,903.44 × 107,111.40
  4. Step 4: Simplify right side
    197,755.80x = 29,231,069,523.22
  5. Step 5: Solve for x
    x = 29,231,069,523.22/197,755.80
  6. Step 6: Final answer
    x = 147,813.97

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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.