Home / 250,894.15-346,234.25-136,172.78

Finding the Fourth Proportional to 250,894.15, 346,234.25 and 136,172.78

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Solution

The fourth proportional to 250,894.15, 346,234.25 and 136,172.78 is: 187,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,894.15 : 346,234.25 = 136,172.78 : x
  2. Step 2: Convert to fraction form
    250,894.15/346,234.25 = 136,172.78/x
  3. Step 3: Cross multiply
    250,894.15x = 346,234.25 × 136,172.78
  4. Step 4: Simplify right side
    250,894.15x = 47,147,677,941.68
  5. Step 5: Solve for x
    x = 47,147,677,941.68/250,894.15
  6. Step 6: Final answer
    x = 187,918.60

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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.