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Finding the Fourth Proportional to 84,143.90, 116,110.50 and 46,415.72

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Solution

The fourth proportional to 84,143.90, 116,110.50 and 46,415.72 is: 64,049.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,143.90 : 116,110.50 = 46,415.72 : x
  2. Step 2: Convert to fraction form
    84,143.90/116,110.50 = 46,415.72/x
  3. Step 3: Cross multiply
    84,143.90x = 116,110.50 × 46,415.72
  4. Step 4: Simplify right side
    84,143.90x = 5,389,351,876.51
  5. Step 5: Solve for x
    x = 5,389,351,876.51/84,143.90
  6. Step 6: Final answer
    x = 64,049.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.