Home / 98,655.44-148,005.32-28,540.20

Finding the Fourth Proportional to 98,655.44, 148,005.32 and 28,540.20

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Solution

The fourth proportional to 98,655.44, 148,005.32 and 28,540.20 is: 42,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,655.44 : 148,005.32 = 28,540.20 : x
  2. Step 2: Convert to fraction form
    98,655.44/148,005.32 = 28,540.20/x
  3. Step 3: Cross multiply
    98,655.44x = 148,005.32 × 28,540.20
  4. Step 4: Simplify right side
    98,655.44x = 4,224,101,433.86
  5. Step 5: Solve for x
    x = 4,224,101,433.86/98,655.44
  6. Step 6: Final answer
    x = 42,816.71

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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.