Home / 143,346.51-215,022.06-54,605.07

Finding the Fourth Proportional to 143,346.51, 215,022.06 and 54,605.07

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Solution

The fourth proportional to 143,346.51, 215,022.06 and 54,605.07 is: 81,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,346.51 : 215,022.06 = 54,605.07 : x
  2. Step 2: Convert to fraction form
    143,346.51/215,022.06 = 54,605.07/x
  3. Step 3: Cross multiply
    143,346.51x = 215,022.06 × 54,605.07
  4. Step 4: Simplify right side
    143,346.51x = 11,741,294,637.84
  5. Step 5: Solve for x
    x = 11,741,294,637.84/143,346.51
  6. Step 6: Final answer
    x = 81,908.48

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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.