Home / 146,789.40-202,581.90-83,138.52

Finding the Fourth Proportional to 146,789.40, 202,581.90 and 83,138.52

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Solution

The fourth proportional to 146,789.40, 202,581.90 and 83,138.52 is: 114,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,789.40 : 202,581.90 = 83,138.52 : x
  2. Step 2: Convert to fraction form
    146,789.40/202,581.90 = 83,138.52/x
  3. Step 3: Cross multiply
    146,789.40x = 202,581.90 × 83,138.52
  4. Step 4: Simplify right side
    146,789.40x = 16,842,359,344.79
  5. Step 5: Solve for x
    x = 16,842,359,344.79/146,789.40
  6. Step 6: Final answer
    x = 114,738.25

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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.