Home / 145,832.49-218,749.64-40,652.37

Finding the Fourth Proportional to 145,832.49, 218,749.64 and 40,652.37

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Solution

The fourth proportional to 145,832.49, 218,749.64 and 40,652.37 is: 60,978.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,832.49 : 218,749.64 = 40,652.37 : x
  2. Step 2: Convert to fraction form
    145,832.49/218,749.64 = 40,652.37/x
  3. Step 3: Cross multiply
    145,832.49x = 218,749.64 × 40,652.37
  4. Step 4: Simplify right side
    145,832.49x = 8,892,691,099.38
  5. Step 5: Solve for x
    x = 8,892,691,099.38/145,832.49
  6. Step 6: Final answer
    x = 60,978.81

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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.