Home / 100,765.12-151,150.08-44,593.28

Finding the Fourth Proportional to 100,765.12, 151,150.08 and 44,593.28

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Solution

The fourth proportional to 100,765.12, 151,150.08 and 44,593.28 is: 66,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,765.12 : 151,150.08 = 44,593.28 : x
  2. Step 2: Convert to fraction form
    100,765.12/151,150.08 = 44,593.28/x
  3. Step 3: Cross multiply
    100,765.12x = 151,150.08 × 44,593.28
  4. Step 4: Simplify right side
    100,765.12x = 6,740,277,839.46
  5. Step 5: Solve for x
    x = 6,740,277,839.46/100,765.12
  6. Step 6: Final answer
    x = 66,890.98

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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.