Home / 251,445.82-346,995.65-136,724.36

Finding the Fourth Proportional to 251,445.82, 346,995.65 and 136,724.36

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Solution

The fourth proportional to 251,445.82, 346,995.65 and 136,724.36 is: 188,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,445.82 : 346,995.65 = 136,724.36 : x
  2. Step 2: Convert to fraction form
    251,445.82/346,995.65 = 136,724.36/x
  3. Step 3: Cross multiply
    251,445.82x = 346,995.65 × 136,724.36
  4. Step 4: Simplify right side
    251,445.82x = 47,442,756,006.79
  5. Step 5: Solve for x
    x = 47,442,756,006.79/251,445.82
  6. Step 6: Final answer
    x = 188,679.84

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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.