Home / 84,238.94-116,376.55-55,236.20

Finding the Fourth Proportional to 84,238.94, 116,376.55 and 55,236.20

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Solution

The fourth proportional to 84,238.94, 116,376.55 and 55,236.20 is: 76,309.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,238.94 : 116,376.55 = 55,236.20 : x
  2. Step 2: Convert to fraction form
    84,238.94/116,376.55 = 55,236.20/x
  3. Step 3: Cross multiply
    84,238.94x = 116,376.55 × 55,236.20
  4. Step 4: Simplify right side
    84,238.94x = 6,428,197,671.14
  5. Step 5: Solve for x
    x = 6,428,197,671.14/84,238.94
  6. Step 6: Final answer
    x = 76,309.10

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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.