Home / 129,553.80-194,441.48-50,723.40

Finding the Fourth Proportional to 129,553.80, 194,441.48 and 50,723.40

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Solution

The fourth proportional to 129,553.80, 194,441.48 and 50,723.40 is: 76,128.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,553.80 : 194,441.48 = 50,723.40 : x
  2. Step 2: Convert to fraction form
    129,553.80/194,441.48 = 50,723.40/x
  3. Step 3: Cross multiply
    129,553.80x = 194,441.48 × 50,723.40
  4. Step 4: Simplify right side
    129,553.80x = 9,862,732,966.63
  5. Step 5: Solve for x
    x = 9,862,732,966.63/129,553.80
  6. Step 6: Final answer
    x = 76,128.47

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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.