Home / 251,243.10-346,711.53-138,063.42

Finding the Fourth Proportional to 251,243.10, 346,711.53 and 138,063.42

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Solution

The fourth proportional to 251,243.10, 346,711.53 and 138,063.42 is: 190,525.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,243.10 : 346,711.53 = 138,063.42 : x
  2. Step 2: Convert to fraction form
    251,243.10/346,711.53 = 138,063.42/x
  3. Step 3: Cross multiply
    251,243.10x = 346,711.53 × 138,063.42
  4. Step 4: Simplify right side
    251,243.10x = 47,868,179,585.23
  5. Step 5: Solve for x
    x = 47,868,179,585.23/251,243.10
  6. Step 6: Final answer
    x = 190,525.35

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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.