Home / 135,689.38-203,552.58-46,919.04

Finding the Fourth Proportional to 135,689.38, 203,552.58 and 46,919.04

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Solution

The fourth proportional to 135,689.38, 203,552.58 and 46,919.04 is: 70,384.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,689.38 : 203,552.58 = 46,919.04 : x
  2. Step 2: Convert to fraction form
    135,689.38/203,552.58 = 46,919.04/x
  3. Step 3: Cross multiply
    135,689.38x = 203,552.58 × 46,919.04
  4. Step 4: Simplify right side
    135,689.38x = 9,550,491,643.12
  5. Step 5: Solve for x
    x = 9,550,491,643.12/135,689.38
  6. Step 6: Final answer
    x = 70,384.96

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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.