Home / 199,175.76-298,497.56-72,697.10

Finding the Fourth Proportional to 199,175.76, 298,497.56 and 72,697.10

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Solution

The fourth proportional to 199,175.76, 298,497.56 and 72,697.10 is: 108,948.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,175.76 : 298,497.56 = 72,697.10 : x
  2. Step 2: Convert to fraction form
    199,175.76/298,497.56 = 72,697.10/x
  3. Step 3: Cross multiply
    199,175.76x = 298,497.56 × 72,697.10
  4. Step 4: Simplify right side
    199,175.76x = 21,699,905,113.10
  5. Step 5: Solve for x
    x = 21,699,905,113.10/199,175.76
  6. Step 6: Final answer
    x = 108,948.52

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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.