Home / 143,938.29-215,910.14-49,190.16

Finding the Fourth Proportional to 143,938.29, 215,910.14 and 49,190.16

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Solution

The fourth proportional to 143,938.29, 215,910.14 and 49,190.16 is: 73,786.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,938.29 : 215,910.14 = 49,190.16 : x
  2. Step 2: Convert to fraction form
    143,938.29/215,910.14 = 49,190.16/x
  3. Step 3: Cross multiply
    143,938.29x = 215,910.14 × 49,190.16
  4. Step 4: Simplify right side
    143,938.29x = 10,620,654,332.22
  5. Step 5: Solve for x
    x = 10,620,654,332.22/143,938.29
  6. Step 6: Final answer
    x = 73,786.16

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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.