Home / 100,180.76-150,326.48-55,832.51

Finding the Fourth Proportional to 100,180.76, 150,326.48 and 55,832.51

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Solution

The fourth proportional to 100,180.76, 150,326.48 and 55,832.51 is: 83,779.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,180.76 : 150,326.48 = 55,832.51 : x
  2. Step 2: Convert to fraction form
    100,180.76/150,326.48 = 55,832.51/x
  3. Step 3: Cross multiply
    100,180.76x = 150,326.48 × 55,832.51
  4. Step 4: Simplify right side
    100,180.76x = 8,393,103,946.23
  5. Step 5: Solve for x
    x = 8,393,103,946.23/100,180.76
  6. Step 6: Final answer
    x = 83,779.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.