Home / 251,428.05-346,966.74-136,708.97

Finding the Fourth Proportional to 251,428.05, 346,966.74 and 136,708.97

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Solution

The fourth proportional to 251,428.05, 346,966.74 and 136,708.97 is: 188,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,428.05 : 346,966.74 = 136,708.97 : x
  2. Step 2: Convert to fraction form
    251,428.05/346,966.74 = 136,708.97/x
  3. Step 3: Cross multiply
    251,428.05x = 346,966.74 × 136,708.97
  4. Step 4: Simplify right side
    251,428.05x = 47,433,463,914.82
  5. Step 5: Solve for x
    x = 47,433,463,914.82/251,428.05
  6. Step 6: Final answer
    x = 188,656.21

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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.