Home / 136,462.32-188,331.80-76,042.80

Finding the Fourth Proportional to 136,462.32, 188,331.80 and 76,042.80

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Solution

The fourth proportional to 136,462.32, 188,331.80 and 76,042.80 is: 104,946.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,462.32 : 188,331.80 = 76,042.80 : x
  2. Step 2: Convert to fraction form
    136,462.32/188,331.80 = 76,042.80/x
  3. Step 3: Cross multiply
    136,462.32x = 188,331.80 × 76,042.80
  4. Step 4: Simplify right side
    136,462.32x = 14,321,277,401.04
  5. Step 5: Solve for x
    x = 14,321,277,401.04/136,462.32
  6. Step 6: Final answer
    x = 104,946.75

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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.