Home / 251,228.10-346,690.83-138,048.42

Finding the Fourth Proportional to 251,228.10, 346,690.83 and 138,048.42

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Solution

The fourth proportional to 251,228.10, 346,690.83 and 138,048.42 is: 190,504.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,228.10 : 346,690.83 = 138,048.42 : x
  2. Step 2: Convert to fraction form
    251,228.10/346,690.83 = 138,048.42/x
  3. Step 3: Cross multiply
    251,228.10x = 346,690.83 × 138,048.42
  4. Step 4: Simplify right side
    251,228.10x = 47,860,121,309.99
  5. Step 5: Solve for x
    x = 47,860,121,309.99/251,228.10
  6. Step 6: Final answer
    x = 190,504.65

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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.