Home / 132,186.09-182,455.23-80,521.86

Finding the Fourth Proportional to 132,186.09, 182,455.23 and 80,521.86

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Solution

The fourth proportional to 132,186.09, 182,455.23 and 80,521.86 is: 111,143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,186.09 : 182,455.23 = 80,521.86 : x
  2. Step 2: Convert to fraction form
    132,186.09/182,455.23 = 80,521.86/x
  3. Step 3: Cross multiply
    132,186.09x = 182,455.23 × 80,521.86
  4. Step 4: Simplify right side
    132,186.09x = 14,691,634,486.33
  5. Step 5: Solve for x
    x = 14,691,634,486.33/132,186.09
  6. Step 6: Final answer
    x = 111,143.57

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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.