Home / 250,720.76-345,945.30-148,727.18

Finding the Fourth Proportional to 250,720.76, 345,945.30 and 148,727.18

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Solution

The fourth proportional to 250,720.76, 345,945.30 and 148,727.18 is: 205,214.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,720.76 : 345,945.30 = 148,727.18 : x
  2. Step 2: Convert to fraction form
    250,720.76/345,945.30 = 148,727.18/x
  3. Step 3: Cross multiply
    250,720.76x = 345,945.30 × 148,727.18
  4. Step 4: Simplify right side
    250,720.76x = 51,451,468,903.25
  5. Step 5: Solve for x
    x = 51,451,468,903.25/250,720.76
  6. Step 6: Final answer
    x = 205,214.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.