Home / 189,764.10-284,427.03-71,359.92

Finding the Fourth Proportional to 189,764.10, 284,427.03 and 71,359.92

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Solution

The fourth proportional to 189,764.10, 284,427.03 and 71,359.92 is: 106,957.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,764.10 : 284,427.03 = 71,359.92 : x
  2. Step 2: Convert to fraction form
    189,764.10/284,427.03 = 71,359.92/x
  3. Step 3: Cross multiply
    189,764.10x = 284,427.03 × 71,359.92
  4. Step 4: Simplify right side
    189,764.10x = 20,296,690,106.64
  5. Step 5: Solve for x
    x = 20,296,690,106.64/189,764.10
  6. Step 6: Final answer
    x = 106,957.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.