Home / 100,828.24-151,250.76-30,708.16

Finding the Fourth Proportional to 100,828.24, 151,250.76 and 30,708.16

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Solution

The fourth proportional to 100,828.24, 151,250.76 and 30,708.16 is: 46,064.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,828.24 : 151,250.76 = 30,708.16 : x
  2. Step 2: Convert to fraction form
    100,828.24/151,250.76 = 30,708.16/x
  3. Step 3: Cross multiply
    100,828.24x = 151,250.76 × 30,708.16
  4. Step 4: Simplify right side
    100,828.24x = 4,644,632,538.20
  5. Step 5: Solve for x
    x = 4,644,632,538.20/100,828.24
  6. Step 6: Final answer
    x = 46,064.80

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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.