Home / 197,710.45-272,840.61-107,066.51

Finding the Fourth Proportional to 197,710.45, 272,840.61 and 107,066.51

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Solution

The fourth proportional to 197,710.45, 272,840.61 and 107,066.51 is: 147,751.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,710.45 : 272,840.61 = 107,066.51 : x
  2. Step 2: Convert to fraction form
    197,710.45/272,840.61 = 107,066.51/x
  3. Step 3: Cross multiply
    197,710.45x = 272,840.61 × 107,066.51
  4. Step 4: Simplify right side
    197,710.45x = 29,212,091,898.97
  5. Step 5: Solve for x
    x = 29,212,091,898.97/197,710.45
  6. Step 6: Final answer
    x = 147,751.89

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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.