Home / 251,276.75-346,761.92-138,099.50

Finding the Fourth Proportional to 251,276.75, 346,761.92 and 138,099.50

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Solution

The fourth proportional to 251,276.75, 346,761.92 and 138,099.50 is: 190,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,276.75 : 346,761.92 = 138,099.50 : x
  2. Step 2: Convert to fraction form
    251,276.75/346,761.92 = 138,099.50/x
  3. Step 3: Cross multiply
    251,276.75x = 346,761.92 × 138,099.50
  4. Step 4: Simplify right side
    251,276.75x = 47,887,647,771.04
  5. Step 5: Solve for x
    x = 47,887,647,771.04/251,276.75
  6. Step 6: Final answer
    x = 190,577.31

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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.