Home / 189,904.20-284,955.34-137,744.26

Finding the Fourth Proportional to 189,904.20, 284,955.34 and 137,744.26

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Solution

The fourth proportional to 189,904.20, 284,955.34 and 137,744.26 is: 206,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,904.20 : 284,955.34 = 137,744.26 : x
  2. Step 2: Convert to fraction form
    189,904.20/284,955.34 = 137,744.26/x
  3. Step 3: Cross multiply
    189,904.20x = 284,955.34 × 137,744.26
  4. Step 4: Simplify right side
    189,904.20x = 39,250,962,441.35
  5. Step 5: Solve for x
    x = 39,250,962,441.35/189,904.20
  6. Step 6: Final answer
    x = 206,688.23

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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.