Home / 118,749.10-178,135.34-34,510

Finding the Fourth Proportional to 118,749.10, 178,135.34 and 34,510

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Solution

The fourth proportional to 118,749.10, 178,135.34 and 34,510 is: 51,768.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,749.10 : 178,135.34 = 34,510 : x
  2. Step 2: Convert to fraction form
    118,749.10/178,135.34 = 34,510/x
  3. Step 3: Cross multiply
    118,749.10x = 178,135.34 × 34,510
  4. Step 4: Simplify right side
    118,749.10x = 6,147,450,583.40
  5. Step 5: Solve for x
    x = 6,147,450,583.40/118,749.10
  6. Step 6: Final answer
    x = 51,768.40

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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.