Home / 101,184.54-151,755.09-30,090.06

Finding the Fourth Proportional to 101,184.54, 151,755.09 and 30,090.06

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Solution

The fourth proportional to 101,184.54, 151,755.09 and 30,090.06 is: 45,128.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,184.54 : 151,755.09 = 30,090.06 : x
  2. Step 2: Convert to fraction form
    101,184.54/151,755.09 = 30,090.06/x
  3. Step 3: Cross multiply
    101,184.54x = 151,755.09 × 30,090.06
  4. Step 4: Simplify right side
    101,184.54x = 4,566,319,763.41
  5. Step 5: Solve for x
    x = 4,566,319,763.41/101,184.54
  6. Step 6: Final answer
    x = 45,128.63

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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.