Home / 145,591.81-218,388.92-45,749.79

Finding the Fourth Proportional to 145,591.81, 218,388.92 and 45,749.79

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Solution

The fourth proportional to 145,591.81, 218,388.92 and 45,749.79 is: 68,625.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,591.81 : 218,388.92 = 45,749.79 : x
  2. Step 2: Convert to fraction form
    145,591.81/218,388.92 = 45,749.79/x
  3. Step 3: Cross multiply
    145,591.81x = 218,388.92 × 45,749.79
  4. Step 4: Simplify right side
    145,591.81x = 9,991,247,228.33
  5. Step 5: Solve for x
    x = 9,991,247,228.33/145,591.81
  6. Step 6: Final answer
    x = 68,625.06

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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.