Home / 179,534.70-269,351.96-78,341.58

Finding the Fourth Proportional to 179,534.70, 269,351.96 and 78,341.58

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Solution

The fourth proportional to 179,534.70, 269,351.96 and 78,341.58 is: 117,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,534.70 : 269,351.96 = 78,341.58 : x
  2. Step 2: Convert to fraction form
    179,534.70/269,351.96 = 78,341.58/x
  3. Step 3: Cross multiply
    179,534.70x = 269,351.96 × 78,341.58
  4. Step 4: Simplify right side
    179,534.70x = 21,101,457,730.79
  5. Step 5: Solve for x
    x = 21,101,457,730.79/179,534.70
  6. Step 6: Final answer
    x = 117,534.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.