Home / 180,031.93-270,120.51-80,123.79

Finding the Fourth Proportional to 180,031.93, 270,120.51 and 80,123.79

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Solution

The fourth proportional to 180,031.93, 270,120.51 and 80,123.79 is: 120,218.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,031.93 : 270,120.51 = 80,123.79 : x
  2. Step 2: Convert to fraction form
    180,031.93/270,120.51 = 80,123.79/x
  3. Step 3: Cross multiply
    180,031.93x = 270,120.51 × 80,123.79
  4. Step 4: Simplify right side
    180,031.93x = 21,643,079,383.85
  5. Step 5: Solve for x
    x = 21,643,079,383.85/180,031.93
  6. Step 6: Final answer
    x = 120,218.00

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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.