Home / 129,785.30-194,639.55-50,854.10

Finding the Fourth Proportional to 129,785.30, 194,639.55 and 50,854.10

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Solution

The fourth proportional to 129,785.30, 194,639.55 and 50,854.10 is: 76,266.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,785.30 : 194,639.55 = 50,854.10 : x
  2. Step 2: Convert to fraction form
    129,785.30/194,639.55 = 50,854.10/x
  3. Step 3: Cross multiply
    129,785.30x = 194,639.55 × 50,854.10
  4. Step 4: Simplify right side
    129,785.30x = 9,898,219,139.66
  5. Step 5: Solve for x
    x = 9,898,219,139.66/129,785.30
  6. Step 6: Final answer
    x = 76,266.10

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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.