Home / 104,881.08-144,734.22-57,135

Finding the Fourth Proportional to 104,881.08, 144,734.22 and 57,135

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Solution

The fourth proportional to 104,881.08, 144,734.22 and 57,135 is: 78,845.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,881.08 : 144,734.22 = 57,135 : x
  2. Step 2: Convert to fraction form
    104,881.08/144,734.22 = 57,135/x
  3. Step 3: Cross multiply
    104,881.08x = 144,734.22 × 57,135
  4. Step 4: Simplify right side
    104,881.08x = 8,269,389,659.70
  5. Step 5: Solve for x
    x = 8,269,389,659.70/104,881.08
  6. Step 6: Final answer
    x = 78,845.39

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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.