Home / 219,368.25-329,052.42-79,126.86

Finding the Fourth Proportional to 219,368.25, 329,052.42 and 79,126.86

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Solution

The fourth proportional to 219,368.25, 329,052.42 and 79,126.86 is: 118,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,368.25 : 329,052.42 = 79,126.86 : x
  2. Step 2: Convert to fraction form
    219,368.25/329,052.42 = 79,126.86/x
  3. Step 3: Cross multiply
    219,368.25x = 329,052.42 × 79,126.86
  4. Step 4: Simplify right side
    219,368.25x = 26,036,884,770.00
  5. Step 5: Solve for x
    x = 26,036,884,770.00/219,368.25
  6. Step 6: Final answer
    x = 118,690.31

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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.