Home / 197,727.48-272,866.32-111,690.90

Finding the Fourth Proportional to 197,727.48, 272,866.32 and 111,690.90

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Solution

The fourth proportional to 197,727.48, 272,866.32 and 111,690.90 is: 154,134.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,727.48 : 272,866.32 = 111,690.90 : x
  2. Step 2: Convert to fraction form
    197,727.48/272,866.32 = 111,690.90/x
  3. Step 3: Cross multiply
    197,727.48x = 272,866.32 × 111,690.90
  4. Step 4: Simplify right side
    197,727.48x = 30,476,684,860.49
  5. Step 5: Solve for x
    x = 30,476,684,860.49/197,727.48
  6. Step 6: Final answer
    x = 154,134.80

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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.