Home / 131,381.14-181,093.02-102,650.69

Finding the Fourth Proportional to 131,381.14, 181,093.02 and 102,650.69

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Solution

The fourth proportional to 131,381.14, 181,093.02 and 102,650.69 is: 141,491.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,381.14 : 181,093.02 = 102,650.69 : x
  2. Step 2: Convert to fraction form
    131,381.14/181,093.02 = 102,650.69/x
  3. Step 3: Cross multiply
    131,381.14x = 181,093.02 × 102,650.69
  4. Step 4: Simplify right side
    131,381.14x = 18,589,323,195.58
  5. Step 5: Solve for x
    x = 18,589,323,195.58/131,381.14
  6. Step 6: Final answer
    x = 141,491.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.