Home / 129,946.86-194,936.68-45,687.22

Finding the Fourth Proportional to 129,946.86, 194,936.68 and 45,687.22

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Solution

The fourth proportional to 129,946.86, 194,936.68 and 45,687.22 is: 68,536.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,946.86 : 194,936.68 = 45,687.22 : x
  2. Step 2: Convert to fraction form
    129,946.86/194,936.68 = 45,687.22/x
  3. Step 3: Cross multiply
    129,946.86x = 194,936.68 × 45,687.22
  4. Step 4: Simplify right side
    129,946.86x = 8,906,114,985.23
  5. Step 5: Solve for x
    x = 8,906,114,985.23/129,946.86
  6. Step 6: Final answer
    x = 68,536.59

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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.