Home / 129,938.92-194,873.95-51,053.83

Finding the Fourth Proportional to 129,938.92, 194,873.95 and 51,053.83

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Solution

The fourth proportional to 129,938.92, 194,873.95 and 51,053.83 is: 76,567.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,938.92 : 194,873.95 = 51,053.83 : x
  2. Step 2: Convert to fraction form
    129,938.92/194,873.95 = 51,053.83/x
  3. Step 3: Cross multiply
    129,938.92x = 194,873.95 × 51,053.83
  4. Step 4: Simplify right side
    129,938.92x = 9,949,061,091.36
  5. Step 5: Solve for x
    x = 9,949,061,091.36/129,938.92
  6. Step 6: Final answer
    x = 76,567.22

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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.