Home / 251,087.66-346,577.77-149,129.72

Finding the Fourth Proportional to 251,087.66, 346,577.77 and 149,129.72

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Solution

The fourth proportional to 251,087.66, 346,577.77 and 149,129.72 is: 205,844.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,087.66 : 346,577.77 = 149,129.72 : x
  2. Step 2: Convert to fraction form
    251,087.66/346,577.77 = 149,129.72/x
  3. Step 3: Cross multiply
    251,087.66x = 346,577.77 × 149,129.72
  4. Step 4: Simplify right side
    251,087.66x = 51,685,045,798.32
  5. Step 5: Solve for x
    x = 51,685,045,798.32/251,087.66
  6. Step 6: Final answer
    x = 205,844.63

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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.