Home / 143,279.04-215,004.96-49,850.40

Finding the Fourth Proportional to 143,279.04, 215,004.96 and 49,850.40

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Solution

The fourth proportional to 143,279.04, 215,004.96 and 49,850.40 is: 74,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,279.04 : 215,004.96 = 49,850.40 : x
  2. Step 2: Convert to fraction form
    143,279.04/215,004.96 = 49,850.40/x
  3. Step 3: Cross multiply
    143,279.04x = 215,004.96 × 49,850.40
  4. Step 4: Simplify right side
    143,279.04x = 10,718,083,257.98
  5. Step 5: Solve for x
    x = 10,718,083,257.98/143,279.04
  6. Step 6: Final answer
    x = 74,805.66

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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.