Home / 251,220.86-346,680.58-136,501.25

Finding the Fourth Proportional to 251,220.86, 346,680.58 and 136,501.25

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Solution

The fourth proportional to 251,220.86, 346,680.58 and 136,501.25 is: 188,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,220.86 : 346,680.58 = 136,501.25 : x
  2. Step 2: Convert to fraction form
    251,220.86/346,680.58 = 136,501.25/x
  3. Step 3: Cross multiply
    251,220.86x = 346,680.58 × 136,501.25
  4. Step 4: Simplify right side
    251,220.86x = 47,322,333,046.17
  5. Step 5: Solve for x
    x = 47,322,333,046.17/251,220.86
  6. Step 6: Final answer
    x = 188,369.45

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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.