Home / 100,650.84-151,002.18-38,287.32

Finding the Fourth Proportional to 100,650.84, 151,002.18 and 38,287.32

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Solution

The fourth proportional to 100,650.84, 151,002.18 and 38,287.32 is: 57,440.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,650.84 : 151,002.18 = 38,287.32 : x
  2. Step 2: Convert to fraction form
    100,650.84/151,002.18 = 38,287.32/x
  3. Step 3: Cross multiply
    100,650.84x = 151,002.18 × 38,287.32
  4. Step 4: Simplify right side
    100,650.84x = 5,781,468,786.36
  5. Step 5: Solve for x
    x = 5,781,468,786.36/100,650.84
  6. Step 6: Final answer
    x = 57,440.84

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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.