Home / 82,152.54-113,318.30-53,860.04

Finding the Fourth Proportional to 82,152.54, 113,318.30 and 53,860.04

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Solution

The fourth proportional to 82,152.54, 113,318.30 and 53,860.04 is: 74,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,152.54 : 113,318.30 = 53,860.04 : x
  2. Step 2: Convert to fraction form
    82,152.54/113,318.30 = 53,860.04/x
  3. Step 3: Cross multiply
    82,152.54x = 113,318.30 × 53,860.04
  4. Step 4: Simplify right side
    82,152.54x = 6,103,328,170.73
  5. Step 5: Solve for x
    x = 6,103,328,170.73/82,152.54
  6. Step 6: Final answer
    x = 74,292.63

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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.