Home / 84,172.10-126,234.78-23,368.39

Finding the Fourth Proportional to 84,172.10, 126,234.78 and 23,368.39

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Solution

The fourth proportional to 84,172.10, 126,234.78 and 23,368.39 is: 35,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172.10 : 126,234.78 = 23,368.39 : x
  2. Step 2: Convert to fraction form
    84,172.10/126,234.78 = 23,368.39/x
  3. Step 3: Cross multiply
    84,172.10x = 126,234.78 × 23,368.39
  4. Step 4: Simplify right side
    84,172.10x = 2,949,903,570.60
  5. Step 5: Solve for x
    x = 2,949,903,570.60/84,172.10
  6. Step 6: Final answer
    x = 35,046.10

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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.