Home / 98,914.24-148,344.48-28,775.36

Finding the Fourth Proportional to 98,914.24, 148,344.48 and 28,775.36

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Solution

The fourth proportional to 98,914.24, 148,344.48 and 28,775.36 is: 43,155.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,914.24 : 148,344.48 = 28,775.36 : x
  2. Step 2: Convert to fraction form
    98,914.24/148,344.48 = 28,775.36/x
  3. Step 3: Cross multiply
    98,914.24x = 148,344.48 × 28,775.36
  4. Step 4: Simplify right side
    98,914.24x = 4,268,665,816.01
  5. Step 5: Solve for x
    x = 4,268,665,816.01/98,914.24
  6. Step 6: Final answer
    x = 43,155.22

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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.