Home / 189,612.80-284,367.36-71,275.04

Finding the Fourth Proportional to 189,612.80, 284,367.36 and 71,275.04

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Solution

The fourth proportional to 189,612.80, 284,367.36 and 71,275.04 is: 106,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,612.80 : 284,367.36 = 71,275.04 : x
  2. Step 2: Convert to fraction form
    189,612.80/284,367.36 = 71,275.04/x
  3. Step 3: Cross multiply
    189,612.80x = 284,367.36 × 71,275.04
  4. Step 4: Simplify right side
    189,612.80x = 20,268,294,958.69
  5. Step 5: Solve for x
    x = 20,268,294,958.69/189,612.80
  6. Step 6: Final answer
    x = 106,893.07

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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.