Home / 131,900.88-182,026.60-80,941.76

Finding the Fourth Proportional to 131,900.88, 182,026.60 and 80,941.76

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Solution

The fourth proportional to 131,900.88, 182,026.60 and 80,941.76 is: 111,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,900.88 : 182,026.60 = 80,941.76 : x
  2. Step 2: Convert to fraction form
    131,900.88/182,026.60 = 80,941.76/x
  3. Step 3: Cross multiply
    131,900.88x = 182,026.60 × 80,941.76
  4. Step 4: Simplify right side
    131,900.88x = 14,733,553,370.82
  5. Step 5: Solve for x
    x = 14,733,553,370.82/131,900.88
  6. Step 6: Final answer
    x = 111,701.71

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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.