Home / 251,131.15-346,564.71-136,412.03

Finding the Fourth Proportional to 251,131.15, 346,564.71 and 136,412.03

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Solution

The fourth proportional to 251,131.15, 346,564.71 and 136,412.03 is: 188,250.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,131.15 : 346,564.71 = 136,412.03 : x
  2. Step 2: Convert to fraction form
    251,131.15/346,564.71 = 136,412.03/x
  3. Step 3: Cross multiply
    251,131.15x = 346,564.71 × 136,412.03
  4. Step 4: Simplify right side
    251,131.15x = 47,275,596,483.87
  5. Step 5: Solve for x
    x = 47,275,596,483.87/251,131.15
  6. Step 6: Final answer
    x = 188,250.63

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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.