Home / 232,619.73-320,991.21-130,656.30

Finding the Fourth Proportional to 232,619.73, 320,991.21 and 130,656.30

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Solution

The fourth proportional to 232,619.73, 320,991.21 and 130,656.30 is: 180,292.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,619.73 : 320,991.21 = 130,656.30 : x
  2. Step 2: Convert to fraction form
    232,619.73/320,991.21 = 130,656.30/x
  3. Step 3: Cross multiply
    232,619.73x = 320,991.21 × 130,656.30
  4. Step 4: Simplify right side
    232,619.73x = 41,939,523,831.12
  5. Step 5: Solve for x
    x = 41,939,523,831.12/232,619.73
  6. Step 6: Final answer
    x = 180,292.20

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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.