Home / 84,214.06-116,234.94-55,538.90

Finding the Fourth Proportional to 84,214.06, 116,234.94 and 55,538.90

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Solution

The fourth proportional to 84,214.06, 116,234.94 and 55,538.90 is: 76,656.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,214.06 : 116,234.94 = 55,538.90 : x
  2. Step 2: Convert to fraction form
    84,214.06/116,234.94 = 55,538.90/x
  3. Step 3: Cross multiply
    84,214.06x = 116,234.94 × 55,538.90
  4. Step 4: Simplify right side
    84,214.06x = 6,455,560,772.14
  5. Step 5: Solve for x
    x = 6,455,560,772.14/84,214.06
  6. Step 6: Final answer
    x = 76,656.57

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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.