Home / 136,423.20-188,239.04-75,992.34

Finding the Fourth Proportional to 136,423.20, 188,239.04 and 75,992.34

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Solution

The fourth proportional to 136,423.20, 188,239.04 and 75,992.34 is: 104,855.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,423.20 : 188,239.04 = 75,992.34 : x
  2. Step 2: Convert to fraction form
    136,423.20/188,239.04 = 75,992.34/x
  3. Step 3: Cross multiply
    136,423.20x = 188,239.04 × 75,992.34
  4. Step 4: Simplify right side
    136,423.20x = 14,304,725,739.86
  5. Step 5: Solve for x
    x = 14,304,725,739.86/136,423.20
  6. Step 6: Final answer
    x = 104,855.52

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1.5x scale

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.