Home / 146,701.43-202,157.66-104,140.79

Finding the Fourth Proportional to 146,701.43, 202,157.66 and 104,140.79

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Solution

The fourth proportional to 146,701.43, 202,157.66 and 104,140.79 is: 143,508.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,701.43 : 202,157.66 = 104,140.79 : x
  2. Step 2: Convert to fraction form
    146,701.43/202,157.66 = 104,140.79/x
  3. Step 3: Cross multiply
    146,701.43x = 202,157.66 × 104,140.79
  4. Step 4: Simplify right side
    146,701.43x = 21,052,857,666.52
  5. Step 5: Solve for x
    x = 21,052,857,666.52/146,701.43
  6. Step 6: Final answer
    x = 143,508.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.