Home / 100,800.03-151,222.59-30,684.81

Finding the Fourth Proportional to 100,800.03, 151,222.59 and 30,684.81

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Solution

The fourth proportional to 100,800.03, 151,222.59 and 30,684.81 is: 46,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,800.03 : 151,222.59 = 30,684.81 : x
  2. Step 2: Convert to fraction form
    100,800.03/151,222.59 = 30,684.81/x
  3. Step 3: Cross multiply
    100,800.03x = 151,222.59 × 30,684.81
  4. Step 4: Simplify right side
    100,800.03x = 4,640,236,441.86
  5. Step 5: Solve for x
    x = 4,640,236,441.86/100,800.03
  6. Step 6: Final answer
    x = 46,034.08

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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.