Home / 251,282.86-346,771.47-138,112.90

Finding the Fourth Proportional to 251,282.86, 346,771.47 and 138,112.90

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Solution

The fourth proportional to 251,282.86, 346,771.47 and 138,112.90 is: 190,596.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,282.86 : 346,771.47 = 138,112.90 : x
  2. Step 2: Convert to fraction form
    251,282.86/346,771.47 = 138,112.90/x
  3. Step 3: Cross multiply
    251,282.86x = 346,771.47 × 138,112.90
  4. Step 4: Simplify right side
    251,282.86x = 47,893,613,358.96
  5. Step 5: Solve for x
    x = 47,893,613,358.96/251,282.86
  6. Step 6: Final answer
    x = 190,596.42

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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.