Home / 129,820.02-194,646.30-50,942.22

Finding the Fourth Proportional to 129,820.02, 194,646.30 and 50,942.22

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Solution

The fourth proportional to 129,820.02, 194,646.30 and 50,942.22 is: 76,380.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,820.02 : 194,646.30 = 50,942.22 : x
  2. Step 2: Convert to fraction form
    129,820.02/194,646.30 = 50,942.22/x
  3. Step 3: Cross multiply
    129,820.02x = 194,646.30 × 50,942.22
  4. Step 4: Simplify right side
    129,820.02x = 9,915,714,636.79
  5. Step 5: Solve for x
    x = 9,915,714,636.79/129,820.02
  6. Step 6: Final answer
    x = 76,380.47

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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.