Home / 143,058.51-214,460.19-54,251.73

Finding the Fourth Proportional to 143,058.51, 214,460.19 and 54,251.73

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Solution

The fourth proportional to 143,058.51, 214,460.19 and 54,251.73 is: 81,329.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,058.51 : 214,460.19 = 54,251.73 : x
  2. Step 2: Convert to fraction form
    143,058.51/214,460.19 = 54,251.73/x
  3. Step 3: Cross multiply
    143,058.51x = 214,460.19 × 54,251.73
  4. Step 4: Simplify right side
    143,058.51x = 11,634,836,323.63
  5. Step 5: Solve for x
    x = 11,634,836,323.63/143,058.51
  6. Step 6: Final answer
    x = 81,329.22

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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.