Home / 129,807.06-194,710.65-50,943.84

Finding the Fourth Proportional to 129,807.06, 194,710.65 and 50,943.84

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Solution

The fourth proportional to 129,807.06, 194,710.65 and 50,943.84 is: 76,415.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,807.06 : 194,710.65 = 50,943.84 : x
  2. Step 2: Convert to fraction form
    129,807.06/194,710.65 = 50,943.84/x
  3. Step 3: Cross multiply
    129,807.06x = 194,710.65 × 50,943.84
  4. Step 4: Simplify right side
    129,807.06x = 9,919,308,199.90
  5. Step 5: Solve for x
    x = 9,919,308,199.90/129,807.06
  6. Step 6: Final answer
    x = 76,415.78

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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.