Home / 189,067.21-260,909.38-103,026.94

Finding the Fourth Proportional to 189,067.21, 260,909.38 and 103,026.94

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Solution

The fourth proportional to 189,067.21, 260,909.38 and 103,026.94 is: 142,175.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,067.21 : 260,909.38 = 103,026.94 : x
  2. Step 2: Convert to fraction form
    189,067.21/260,909.38 = 103,026.94/x
  3. Step 3: Cross multiply
    189,067.21x = 260,909.38 × 103,026.94
  4. Step 4: Simplify right side
    189,067.21x = 26,880,695,038.70
  5. Step 5: Solve for x
    x = 26,880,695,038.70/189,067.21
  6. Step 6: Final answer
    x = 142,175.34

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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.