Home / 136,474.94-188,336.17-79,148.24

Finding the Fourth Proportional to 136,474.94, 188,336.17 and 79,148.24

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Solution

The fourth proportional to 136,474.94, 188,336.17 and 79,148.24 is: 109,225.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,474.94 : 188,336.17 = 79,148.24 : x
  2. Step 2: Convert to fraction form
    136,474.94/188,336.17 = 79,148.24/x
  3. Step 3: Cross multiply
    136,474.94x = 188,336.17 × 79,148.24
  4. Step 4: Simplify right side
    136,474.94x = 14,906,476,247.36
  5. Step 5: Solve for x
    x = 14,906,476,247.36/136,474.94
  6. Step 6: Final answer
    x = 109,225.00

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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.