Home / 102,847.68-141,942.94-57,528.18

Finding the Fourth Proportional to 102,847.68, 141,942.94 and 57,528.18

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Solution

The fourth proportional to 102,847.68, 141,942.94 and 57,528.18 is: 79,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,847.68 : 141,942.94 = 57,528.18 : x
  2. Step 2: Convert to fraction form
    102,847.68/141,942.94 = 57,528.18/x
  3. Step 3: Cross multiply
    102,847.68x = 141,942.94 × 57,528.18
  4. Step 4: Simplify right side
    102,847.68x = 8,165,718,858.23
  5. Step 5: Solve for x
    x = 8,165,718,858.23/102,847.68
  6. Step 6: Final answer
    x = 79,396.24

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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.