Home / 219,829.76-329,770.56-70,017.92

Finding the Fourth Proportional to 219,829.76, 329,770.56 and 70,017.92

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Solution

The fourth proportional to 219,829.76, 329,770.56 and 70,017.92 is: 105,035.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,829.76 : 329,770.56 = 70,017.92 : x
  2. Step 2: Convert to fraction form
    219,829.76/329,770.56 = 70,017.92/x
  3. Step 3: Cross multiply
    219,829.76x = 329,770.56 × 70,017.92
  4. Step 4: Simplify right side
    219,829.76x = 23,089,848,688.44
  5. Step 5: Solve for x
    x = 23,089,848,688.44/219,829.76
  6. Step 6: Final answer
    x = 105,035.14

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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.