Home / 103,734.40-155,601.60-82,998.40

Finding the Fourth Proportional to 103,734.40, 155,601.60 and 82,998.40

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Solution

The fourth proportional to 103,734.40, 155,601.60 and 82,998.40 is: 124,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,734.40 : 155,601.60 = 82,998.40 : x
  2. Step 2: Convert to fraction form
    103,734.40/155,601.60 = 82,998.40/x
  3. Step 3: Cross multiply
    103,734.40x = 155,601.60 × 82,998.40
  4. Step 4: Simplify right side
    103,734.40x = 12,914,683,837.44
  5. Step 5: Solve for x
    x = 12,914,683,837.44/103,734.40
  6. Step 6: Final answer
    x = 124,497.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.