Home / 113,276.50-156,321.76-62,975.50

Finding the Fourth Proportional to 113,276.50, 156,321.76 and 62,975.50

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Solution

The fourth proportional to 113,276.50, 156,321.76 and 62,975.50 is: 86,906.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,276.50 : 156,321.76 = 62,975.50 : x
  2. Step 2: Convert to fraction form
    113,276.50/156,321.76 = 62,975.50/x
  3. Step 3: Cross multiply
    113,276.50x = 156,321.76 × 62,975.50
  4. Step 4: Simplify right side
    113,276.50x = 9,844,440,996.88
  5. Step 5: Solve for x
    x = 9,844,440,996.88/113,276.50
  6. Step 6: Final answer
    x = 86,906.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.