Home / 146,741.03-202,502.72-83,078.90

Finding the Fourth Proportional to 146,741.03, 202,502.72 and 83,078.90

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Solution

The fourth proportional to 146,741.03, 202,502.72 and 83,078.90 is: 114,648.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,741.03 : 202,502.72 = 83,078.90 : x
  2. Step 2: Convert to fraction form
    146,741.03/202,502.72 = 83,078.90/x
  3. Step 3: Cross multiply
    146,741.03x = 202,502.72 × 83,078.90
  4. Step 4: Simplify right side
    146,741.03x = 16,823,702,809.21
  5. Step 5: Solve for x
    x = 16,823,702,809.21/146,741.03
  6. Step 6: Final answer
    x = 114,648.93

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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.