Home / 143,129.50-214,729.18-101,091.71

Finding the Fourth Proportional to 143,129.50, 214,729.18 and 101,091.71

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Solution

The fourth proportional to 143,129.50, 214,729.18 and 101,091.71 is: 151,662.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,129.50 : 214,729.18 = 101,091.71 : x
  2. Step 2: Convert to fraction form
    143,129.50/214,729.18 = 101,091.71/x
  3. Step 3: Cross multiply
    143,129.50x = 214,729.18 × 101,091.71
  4. Step 4: Simplify right side
    143,129.50x = 21,707,340,277.19
  5. Step 5: Solve for x
    x = 21,707,340,277.19/143,129.50
  6. Step 6: Final answer
    x = 151,662.24

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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.