Home / 179,602.78-269,404.16-79,739.50

Finding the Fourth Proportional to 179,602.78, 269,404.16 and 79,739.50

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Solution

The fourth proportional to 179,602.78, 269,404.16 and 79,739.50 is: 119,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,602.78 : 269,404.16 = 79,739.50 : x
  2. Step 2: Convert to fraction form
    179,602.78/269,404.16 = 79,739.50/x
  3. Step 3: Cross multiply
    179,602.78x = 269,404.16 × 79,739.50
  4. Step 4: Simplify right side
    179,602.78x = 21,482,153,016.32
  5. Step 5: Solve for x
    x = 21,482,153,016.32/179,602.78
  6. Step 6: Final answer
    x = 119,609.25

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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.