Home / 251,397.07-346,927.96-138,219.82

Finding the Fourth Proportional to 251,397.07, 346,927.96 and 138,219.82

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Solution

The fourth proportional to 251,397.07, 346,927.96 and 138,219.82 is: 190,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,397.07 : 346,927.96 = 138,219.82 : x
  2. Step 2: Convert to fraction form
    251,397.07/346,927.96 = 138,219.82/x
  3. Step 3: Cross multiply
    251,397.07x = 346,927.96 × 138,219.82
  4. Step 4: Simplify right side
    251,397.07x = 47,952,318,449.53
  5. Step 5: Solve for x
    x = 47,952,318,449.53/251,397.07
  6. Step 6: Final answer
    x = 190,743.35

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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.