Home / 148,520.92-204,969.71-84,857.35

Finding the Fourth Proportional to 148,520.92, 204,969.71 and 84,857.35

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Solution

The fourth proportional to 148,520.92, 204,969.71 and 84,857.35 is: 117,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,520.92 : 204,969.71 = 84,857.35 : x
  2. Step 2: Convert to fraction form
    148,520.92/204,969.71 = 84,857.35/x
  3. Step 3: Cross multiply
    148,520.92x = 204,969.71 × 84,857.35
  4. Step 4: Simplify right side
    148,520.92x = 17,393,186,420.87
  5. Step 5: Solve for x
    x = 17,393,186,420.87/148,520.92
  6. Step 6: Final answer
    x = 117,109.34

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1.5x scale

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.