Home / 180,945.96-271,332.66-81,106.98

Finding the Fourth Proportional to 180,945.96, 271,332.66 and 81,106.98

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Solution

The fourth proportional to 180,945.96, 271,332.66 and 81,106.98 is: 121,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,945.96 : 271,332.66 = 81,106.98 : x
  2. Step 2: Convert to fraction form
    180,945.96/271,332.66 = 81,106.98/x
  3. Step 3: Cross multiply
    180,945.96x = 271,332.66 × 81,106.98
  4. Step 4: Simplify right side
    180,945.96x = 22,006,972,627.97
  5. Step 5: Solve for x
    x = 22,006,972,627.97/180,945.96
  6. Step 6: Final answer
    x = 121,621.80

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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.