Home / 265,830.20-366,837.45-151,121.36

Finding the Fourth Proportional to 265,830.20, 366,837.45 and 151,121.36

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Solution

The fourth proportional to 265,830.20, 366,837.45 and 151,121.36 is: 208,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,830.20 : 366,837.45 = 151,121.36 : x
  2. Step 2: Convert to fraction form
    265,830.20/366,837.45 = 151,121.36/x
  3. Step 3: Cross multiply
    265,830.20x = 366,837.45 × 151,121.36
  4. Step 4: Simplify right side
    265,830.20x = 55,436,974,342.93
  5. Step 5: Solve for x
    x = 55,436,974,342.93/265,830.20
  6. Step 6: Final answer
    x = 208,542.80

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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.