Home / 251,282.36-346,770.78-138,112.40

Finding the Fourth Proportional to 251,282.36, 346,770.78 and 138,112.40

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Solution

The fourth proportional to 251,282.36, 346,770.78 and 138,112.40 is: 190,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,282.36 : 346,770.78 = 138,112.40 : x
  2. Step 2: Convert to fraction form
    251,282.36/346,770.78 = 138,112.40/x
  3. Step 3: Cross multiply
    251,282.36x = 346,770.78 × 138,112.40
  4. Step 4: Simplify right side
    251,282.36x = 47,893,344,675.67
  5. Step 5: Solve for x
    x = 47,893,344,675.67/251,282.36
  6. Step 6: Final answer
    x = 190,595.73

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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.