Home / 84,233.64-116,365.40-72,883.43

Finding the Fourth Proportional to 84,233.64, 116,365.40 and 72,883.43

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Solution

The fourth proportional to 84,233.64, 116,365.40 and 72,883.43 is: 100,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,233.64 : 116,365.40 = 72,883.43 : x
  2. Step 2: Convert to fraction form
    84,233.64/116,365.40 = 72,883.43/x
  3. Step 3: Cross multiply
    84,233.64x = 116,365.40 × 72,883.43
  4. Step 4: Simplify right side
    84,233.64x = 8,481,108,539.08
  5. Step 5: Solve for x
    x = 8,481,108,539.08/84,233.64
  6. Step 6: Final answer
    x = 100,685.53

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1.5x scale

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.