Home / 143,936.46-215,904.65-50,442.21

Finding the Fourth Proportional to 143,936.46, 215,904.65 and 50,442.21

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Solution

The fourth proportional to 143,936.46, 215,904.65 and 50,442.21 is: 75,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,936.46 : 215,904.65 = 50,442.21 : x
  2. Step 2: Convert to fraction form
    143,936.46/215,904.65 = 50,442.21/x
  3. Step 3: Cross multiply
    143,936.46x = 215,904.65 × 50,442.21
  4. Step 4: Simplify right side
    143,936.46x = 10,890,707,443.07
  5. Step 5: Solve for x
    x = 10,890,707,443.07/143,936.46
  6. Step 6: Final answer
    x = 75,663.30

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1.5x scale

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.