Home / 251,209.96-346,676.10-138,035.56

Finding the Fourth Proportional to 251,209.96, 346,676.10 and 138,035.56

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Solution

The fourth proportional to 251,209.96, 346,676.10 and 138,035.56 is: 190,492.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,209.96 : 346,676.10 = 138,035.56 : x
  2. Step 2: Convert to fraction form
    251,209.96/346,676.10 = 138,035.56/x
  3. Step 3: Cross multiply
    251,209.96x = 346,676.10 × 138,035.56
  4. Step 4: Simplify right side
    251,209.96x = 47,853,629,602.12
  5. Step 5: Solve for x
    x = 47,853,629,602.12/251,209.96
  6. Step 6: Final answer
    x = 190,492.56

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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.