Home / 129,807.04-194,710.56-50,958.40

Finding the Fourth Proportional to 129,807.04, 194,710.56 and 50,958.40

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Solution

The fourth proportional to 129,807.04, 194,710.56 and 50,958.40 is: 76,437.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,807.04 : 194,710.56 = 50,958.40 : x
  2. Step 2: Convert to fraction form
    129,807.04/194,710.56 = 50,958.40/x
  3. Step 3: Cross multiply
    129,807.04x = 194,710.56 × 50,958.40
  4. Step 4: Simplify right side
    129,807.04x = 9,922,138,600.70
  5. Step 5: Solve for x
    x = 9,922,138,600.70/129,807.04
  6. Step 6: Final answer
    x = 76,437.60

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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.