Home / 163,440.79-225,026.90-139,471.27

Finding the Fourth Proportional to 163,440.79, 225,026.90 and 139,471.27

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Solution

The fourth proportional to 163,440.79, 225,026.90 and 139,471.27 is: 192,025.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,440.79 : 225,026.90 = 139,471.27 : x
  2. Step 2: Convert to fraction form
    163,440.79/225,026.90 = 139,471.27/x
  3. Step 3: Cross multiply
    163,440.79x = 225,026.90 × 139,471.27
  4. Step 4: Simplify right side
    163,440.79x = 31,384,787,527.16
  5. Step 5: Solve for x
    x = 31,384,787,527.16/163,440.79
  6. Step 6: Final answer
    x = 192,025.43

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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.