Home / 143,336.25-215,004.38-49,842

Finding the Fourth Proportional to 143,336.25, 215,004.38 and 49,842

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Solution

The fourth proportional to 143,336.25, 215,004.38 and 49,842 is: 74,763

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,336.25 : 215,004.38 = 49,842 : x
  2. Step 2: Convert to fraction form
    143,336.25/215,004.38 = 49,842/x
  3. Step 3: Cross multiply
    143,336.25x = 215,004.38 × 49,842
  4. Step 4: Simplify right side
    143,336.25x = 10,716,248,058.75
  5. Step 5: Solve for x
    x = 10,716,248,058.75/143,336.25
  6. Step 6: Final answer
    x = 74,763

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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.