Home / 100,830.17-151,151.79-44,640.34

Finding the Fourth Proportional to 100,830.17, 151,151.79 and 44,640.34

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Solution

The fourth proportional to 100,830.17, 151,151.79 and 44,640.34 is: 66,919.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,830.17 : 151,151.79 = 44,640.34 : x
  2. Step 2: Convert to fraction form
    100,830.17/151,151.79 = 44,640.34/x
  3. Step 3: Cross multiply
    100,830.17x = 151,151.79 × 44,640.34
  4. Step 4: Simplify right side
    100,830.17x = 6,747,467,297.21
  5. Step 5: Solve for x
    x = 6,747,467,297.21/100,830.17
  6. Step 6: Final answer
    x = 66,919.13

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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.