Home / 180,129.43-270,223.51-55,470.43

Finding the Fourth Proportional to 180,129.43, 270,223.51 and 55,470.43

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Solution

The fourth proportional to 180,129.43, 270,223.51 and 55,470.43 is: 83,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,129.43 : 270,223.51 = 55,470.43 : x
  2. Step 2: Convert to fraction form
    180,129.43/270,223.51 = 55,470.43/x
  3. Step 3: Cross multiply
    180,129.43x = 270,223.51 × 55,470.43
  4. Step 4: Simplify right side
    180,129.43x = 14,989,414,157.13
  5. Step 5: Solve for x
    x = 14,989,414,157.13/180,129.43
  6. Step 6: Final answer
    x = 83,214.69

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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.