Home / 100,670.89-151,007.24-30,550.20

Finding the Fourth Proportional to 100,670.89, 151,007.24 and 30,550.20

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Solution

The fourth proportional to 100,670.89, 151,007.24 and 30,550.20 is: 45,825.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,670.89 : 151,007.24 = 30,550.20 : x
  2. Step 2: Convert to fraction form
    100,670.89/151,007.24 = 30,550.20/x
  3. Step 3: Cross multiply
    100,670.89x = 151,007.24 × 30,550.20
  4. Step 4: Simplify right side
    100,670.89x = 4,613,301,383.45
  5. Step 5: Solve for x
    x = 4,613,301,383.45/100,670.89
  6. Step 6: Final answer
    x = 45,825.57

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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.