Home / 266,486.14-367,739.96-145,631.51

Finding the Fourth Proportional to 266,486.14, 367,739.96 and 145,631.51

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Solution

The fourth proportional to 266,486.14, 367,739.96 and 145,631.51 is: 200,965.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,486.14 : 367,739.96 = 145,631.51 : x
  2. Step 2: Convert to fraction form
    266,486.14/367,739.96 = 145,631.51/x
  3. Step 3: Cross multiply
    266,486.14x = 367,739.96 × 145,631.51
  4. Step 4: Simplify right side
    266,486.14x = 53,554,525,662.14
  5. Step 5: Solve for x
    x = 53,554,525,662.14/266,486.14
  6. Step 6: Final answer
    x = 200,965.52

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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.