Home / 145,383.18-218,099.34-45,523.68

Finding the Fourth Proportional to 145,383.18, 218,099.34 and 45,523.68

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Solution

The fourth proportional to 145,383.18, 218,099.34 and 45,523.68 is: 68,293.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,383.18 : 218,099.34 = 45,523.68 : x
  2. Step 2: Convert to fraction form
    145,383.18/218,099.34 = 45,523.68/x
  3. Step 3: Cross multiply
    145,383.18x = 218,099.34 × 45,523.68
  4. Step 4: Simplify right side
    145,383.18x = 9,928,684,562.37
  5. Step 5: Solve for x
    x = 9,928,684,562.37/145,383.18
  6. Step 6: Final answer
    x = 68,293.21

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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.