Home / 136,477.32-188,333.91-76,044.84

Finding the Fourth Proportional to 136,477.32, 188,333.91 and 76,044.84

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Solution

The fourth proportional to 136,477.32, 188,333.91 and 76,044.84 is: 104,939.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,477.32 : 188,333.91 = 76,044.84 : x
  2. Step 2: Convert to fraction form
    136,477.32/188,333.91 = 76,044.84/x
  3. Step 3: Cross multiply
    136,477.32x = 188,333.91 × 76,044.84
  4. Step 4: Simplify right side
    136,477.32x = 14,321,822,052.52
  5. Step 5: Solve for x
    x = 14,321,822,052.52/136,477.32
  6. Step 6: Final answer
    x = 104,939.21

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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.