Home / 104,260.08-143,878.97-56,513.43

Finding the Fourth Proportional to 104,260.08, 143,878.97 and 56,513.43

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Solution

The fourth proportional to 104,260.08, 143,878.97 and 56,513.43 is: 77,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,260.08 : 143,878.97 = 56,513.43 : x
  2. Step 2: Convert to fraction form
    104,260.08/143,878.97 = 56,513.43/x
  3. Step 3: Cross multiply
    104,260.08x = 143,878.97 × 56,513.43
  4. Step 4: Simplify right side
    104,260.08x = 8,131,093,380.17
  5. Step 5: Solve for x
    x = 8,131,093,380.17/104,260.08
  6. Step 6: Final answer
    x = 77,988.56

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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.