Home / 179,827.64-269,792.03-78,634.59

Finding the Fourth Proportional to 179,827.64, 269,792.03 and 78,634.59

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Solution

The fourth proportional to 179,827.64, 269,792.03 and 78,634.59 is: 117,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,827.64 : 269,792.03 = 78,634.59 : x
  2. Step 2: Convert to fraction form
    179,827.64/269,792.03 = 78,634.59/x
  3. Step 3: Cross multiply
    179,827.64x = 269,792.03 × 78,634.59
  4. Step 4: Simplify right side
    179,827.64x = 21,214,985,271.14
  5. Step 5: Solve for x
    x = 21,214,985,271.14/179,827.64
  6. Step 6: Final answer
    x = 117,974.00

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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.