Home / 80,133.51-120,206.58-26,825.80

Finding the Fourth Proportional to 80,133.51, 120,206.58 and 26,825.80

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Solution

The fourth proportional to 80,133.51, 120,206.58 and 26,825.80 is: 40,240.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,133.51 : 120,206.58 = 26,825.80 : x
  2. Step 2: Convert to fraction form
    80,133.51/120,206.58 = 26,825.80/x
  3. Step 3: Cross multiply
    80,133.51x = 120,206.58 × 26,825.80
  4. Step 4: Simplify right side
    80,133.51x = 3,224,637,673.76
  5. Step 5: Solve for x
    x = 3,224,637,673.76/80,133.51
  6. Step 6: Final answer
    x = 40,240.81

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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.