Home / 104,884.20-144,740.48-57,137.90

Finding the Fourth Proportional to 104,884.20, 144,740.48 and 57,137.90

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Solution

The fourth proportional to 104,884.20, 144,740.48 and 57,137.90 is: 78,850.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,884.20 : 144,740.48 = 57,137.90 : x
  2. Step 2: Convert to fraction form
    104,884.20/144,740.48 = 57,137.90/x
  3. Step 3: Cross multiply
    104,884.20x = 144,740.48 × 57,137.90
  4. Step 4: Simplify right side
    104,884.20x = 8,270,166,062.80
  5. Step 5: Solve for x
    x = 8,270,166,062.80/104,884.20
  6. Step 6: Final answer
    x = 78,850.45

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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.