Home / 197,736.48-272,878.74-111,699.90

Finding the Fourth Proportional to 197,736.48, 272,878.74 and 111,699.90

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Solution

The fourth proportional to 197,736.48, 272,878.74 and 111,699.90 is: 154,147.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,736.48 : 272,878.74 = 111,699.90 : x
  2. Step 2: Convert to fraction form
    197,736.48/272,878.74 = 111,699.90/x
  3. Step 3: Cross multiply
    197,736.48x = 272,878.74 × 111,699.90
  4. Step 4: Simplify right side
    197,736.48x = 30,480,527,970.13
  5. Step 5: Solve for x
    x = 30,480,527,970.13/197,736.48
  6. Step 6: Final answer
    x = 154,147.22

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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.