Home / 84,200.20-116,084.62-69,805.70

Finding the Fourth Proportional to 84,200.20, 116,084.62 and 69,805.70

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Solution

The fourth proportional to 84,200.20, 116,084.62 and 69,805.70 is: 96,239.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,200.20 : 116,084.62 = 69,805.70 : x
  2. Step 2: Convert to fraction form
    84,200.20/116,084.62 = 69,805.70/x
  3. Step 3: Cross multiply
    84,200.20x = 116,084.62 × 69,805.70
  4. Step 4: Simplify right side
    84,200.20x = 8,103,368,158.33
  5. Step 5: Solve for x
    x = 8,103,368,158.33/84,200.20
  6. Step 6: Final answer
    x = 96,239.30

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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.