Home / 80,139.24-120,176.06-35,735.63

Finding the Fourth Proportional to 80,139.24, 120,176.06 and 35,735.63

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Solution

The fourth proportional to 80,139.24, 120,176.06 and 35,735.63 is: 53,588.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,139.24 : 120,176.06 = 35,735.63 : x
  2. Step 2: Convert to fraction form
    80,139.24/120,176.06 = 35,735.63/x
  3. Step 3: Cross multiply
    80,139.24x = 120,176.06 × 35,735.63
  4. Step 4: Simplify right side
    80,139.24x = 4,294,566,435.46
  5. Step 5: Solve for x
    x = 4,294,566,435.46/80,139.24
  6. Step 6: Final answer
    x = 53,588.81

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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.