Home / 104,941.47-144,817.56-57,195.21

Finding the Fourth Proportional to 104,941.47, 144,817.56 and 57,195.21

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Solution

The fourth proportional to 104,941.47, 144,817.56 and 57,195.21 is: 78,928.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,941.47 : 144,817.56 = 57,195.21 : x
  2. Step 2: Convert to fraction form
    104,941.47/144,817.56 = 57,195.21/x
  3. Step 3: Cross multiply
    104,941.47x = 144,817.56 × 57,195.21
  4. Step 4: Simplify right side
    104,941.47x = 8,282,870,755.89
  5. Step 5: Solve for x
    x = 8,282,870,755.89/104,941.47
  6. Step 6: Final answer
    x = 78,928.48

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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.