Home / 129,469.02-194,222.66-66,324.86

Finding the Fourth Proportional to 129,469.02, 194,222.66 and 66,324.86

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Solution

The fourth proportional to 129,469.02, 194,222.66 and 66,324.86 is: 99,497.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,469.02 : 194,222.66 = 66,324.86 : x
  2. Step 2: Convert to fraction form
    129,469.02/194,222.66 = 66,324.86/x
  3. Step 3: Cross multiply
    129,469.02x = 194,222.66 × 66,324.86
  4. Step 4: Simplify right side
    129,469.02x = 12,881,789,430.59
  5. Step 5: Solve for x
    x = 12,881,789,430.59/129,469.02
  6. Step 6: Final answer
    x = 99,497.08

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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.