Home / 148,867.92-205,446.92-85,204.35

Finding the Fourth Proportional to 148,867.92, 205,446.92 and 85,204.35

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Solution

The fourth proportional to 148,867.92, 205,446.92 and 85,204.35 is: 117,587.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,867.92 : 205,446.92 = 85,204.35 : x
  2. Step 2: Convert to fraction form
    148,867.92/205,446.92 = 85,204.35/x
  3. Step 3: Cross multiply
    148,867.92x = 205,446.92 × 85,204.35
  4. Step 4: Simplify right side
    148,867.92x = 17,504,970,852.08
  5. Step 5: Solve for x
    x = 17,504,970,852.08/148,867.92
  6. Step 6: Final answer
    x = 117,587.26

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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.