Home / 142,660.50-196,837.68-84,487.85

Finding the Fourth Proportional to 142,660.50, 196,837.68 and 84,487.85

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Solution

The fourth proportional to 142,660.50, 196,837.68 and 84,487.85 is: 116,573.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,660.50 : 196,837.68 = 84,487.85 : x
  2. Step 2: Convert to fraction form
    142,660.50/196,837.68 = 84,487.85/x
  3. Step 3: Cross multiply
    142,660.50x = 196,837.68 × 84,487.85
  4. Step 4: Simplify right side
    142,660.50x = 16,630,392,382.19
  5. Step 5: Solve for x
    x = 16,630,392,382.19/142,660.50
  6. Step 6: Final answer
    x = 116,573.21

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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.