Home / 80,108.09-120,266.02-53,623.52

Finding the Fourth Proportional to 80,108.09, 120,266.02 and 53,623.52

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Solution

The fourth proportional to 80,108.09, 120,266.02 and 53,623.52 is: 80,504.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,108.09 : 120,266.02 = 53,623.52 : x
  2. Step 2: Convert to fraction form
    80,108.09/120,266.02 = 53,623.52/x
  3. Step 3: Cross multiply
    80,108.09x = 120,266.02 × 53,623.52
  4. Step 4: Simplify right side
    80,108.09x = 6,449,087,696.48
  5. Step 5: Solve for x
    x = 6,449,087,696.48/80,108.09
  6. Step 6: Final answer
    x = 80,504.82

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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.