Home / 188,777.02-260,517.45-103,899.28

Finding the Fourth Proportional to 188,777.02, 260,517.45 and 103,899.28

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Solution

The fourth proportional to 188,777.02, 260,517.45 and 103,899.28 is: 143,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,777.02 : 260,517.45 = 103,899.28 : x
  2. Step 2: Convert to fraction form
    188,777.02/260,517.45 = 103,899.28/x
  3. Step 3: Cross multiply
    188,777.02x = 260,517.45 × 103,899.28
  4. Step 4: Simplify right side
    188,777.02x = 27,067,575,482.44
  5. Step 5: Solve for x
    x = 27,067,575,482.44/188,777.02
  6. Step 6: Final answer
    x = 143,383.85

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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.