Home / 99,328.37-148,989.25-43,168.53

Finding the Fourth Proportional to 99,328.37, 148,989.25 and 43,168.53

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Solution

The fourth proportional to 99,328.37, 148,989.25 and 43,168.53 is: 64,751.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,328.37 : 148,989.25 = 43,168.53 : x
  2. Step 2: Convert to fraction form
    99,328.37/148,989.25 = 43,168.53/x
  3. Step 3: Cross multiply
    99,328.37x = 148,989.25 × 43,168.53
  4. Step 4: Simplify right side
    99,328.37x = 6,431,646,800.38
  5. Step 5: Solve for x
    x = 6,431,646,800.38/99,328.37
  6. Step 6: Final answer
    x = 64,751.36

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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.