Home / 143,261.39-214,935.01-57,828.26

Finding the Fourth Proportional to 143,261.39, 214,935.01 and 57,828.26

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Solution

The fourth proportional to 143,261.39, 214,935.01 and 57,828.26 is: 86,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,261.39 : 214,935.01 = 57,828.26 : x
  2. Step 2: Convert to fraction form
    143,261.39/214,935.01 = 57,828.26/x
  3. Step 3: Cross multiply
    143,261.39x = 214,935.01 × 57,828.26
  4. Step 4: Simplify right side
    143,261.39x = 12,429,316,422.14
  5. Step 5: Solve for x
    x = 12,429,316,422.14/143,261.39
  6. Step 6: Final answer
    x = 86,759.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.