Home / 145,439.67-218,105.52-50,645.53

Finding the Fourth Proportional to 145,439.67, 218,105.52 and 50,645.53

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Solution

The fourth proportional to 145,439.67, 218,105.52 and 50,645.53 is: 75,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,439.67 : 218,105.52 = 50,645.53 : x
  2. Step 2: Convert to fraction form
    145,439.67/218,105.52 = 50,645.53/x
  3. Step 3: Cross multiply
    145,439.67x = 218,105.52 × 50,645.53
  4. Step 4: Simplify right side
    145,439.67x = 11,046,069,656.33
  5. Step 5: Solve for x
    x = 11,046,069,656.33/145,439.67
  6. Step 6: Final answer
    x = 75,949.50

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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.