Home / 100,914.03-151,385.72-30,784.23

Finding the Fourth Proportional to 100,914.03, 151,385.72 and 30,784.23

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Solution

The fourth proportional to 100,914.03, 151,385.72 and 30,784.23 is: 46,180.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,914.03 : 151,385.72 = 30,784.23 : x
  2. Step 2: Convert to fraction form
    100,914.03/151,385.72 = 30,784.23/x
  3. Step 3: Cross multiply
    100,914.03x = 151,385.72 × 30,784.23
  4. Step 4: Simplify right side
    100,914.03x = 4,660,292,669.27
  5. Step 5: Solve for x
    x = 4,660,292,669.27/100,914.03
  6. Step 6: Final answer
    x = 46,180.82

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1.5x scale

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.