Home / 100,670.61-151,006.32-30,550.53

Finding the Fourth Proportional to 100,670.61, 151,006.32 and 30,550.53

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Solution

The fourth proportional to 100,670.61, 151,006.32 and 30,550.53 is: 45,825.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,670.61 : 151,006.32 = 30,550.53 : x
  2. Step 2: Convert to fraction form
    100,670.61/151,006.32 = 30,550.53/x
  3. Step 3: Cross multiply
    100,670.61x = 151,006.32 × 30,550.53
  4. Step 4: Simplify right side
    100,670.61x = 4,613,323,109.35
  5. Step 5: Solve for x
    x = 4,613,323,109.35/100,670.61
  6. Step 6: Final answer
    x = 45,825.92

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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.