Home / 120,260.31-180,391.68-53,703.83

Finding the Fourth Proportional to 120,260.31, 180,391.68 and 53,703.83

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Solution

The fourth proportional to 120,260.31, 180,391.68 and 53,703.83 is: 80,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,260.31 : 180,391.68 = 53,703.83 : x
  2. Step 2: Convert to fraction form
    120,260.31/180,391.68 = 53,703.83/x
  3. Step 3: Cross multiply
    120,260.31x = 180,391.68 × 53,703.83
  4. Step 4: Simplify right side
    120,260.31x = 9,687,723,214.18
  5. Step 5: Solve for x
    x = 9,687,723,214.18/120,260.31
  6. Step 6: Final answer
    x = 80,556.28

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1.5x scale

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.