Home / 197,449.36-272,456.65-111,403.40

Finding the Fourth Proportional to 197,449.36, 272,456.65 and 111,403.40

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Solution

The fourth proportional to 197,449.36, 272,456.65 and 111,403.40 is: 153,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,449.36 : 272,456.65 = 111,403.40 : x
  2. Step 2: Convert to fraction form
    197,449.36/272,456.65 = 111,403.40/x
  3. Step 3: Cross multiply
    197,449.36x = 272,456.65 × 111,403.40
  4. Step 4: Simplify right side
    197,449.36x = 30,352,596,845.51
  5. Step 5: Solve for x
    x = 30,352,596,845.51/197,449.36
  6. Step 6: Final answer
    x = 153,723.45

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.