Home / 113,215.80-169,823.70-100,968.60

Finding the Fourth Proportional to 113,215.80, 169,823.70 and 100,968.60

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Solution

The fourth proportional to 113,215.80, 169,823.70 and 100,968.60 is: 151,452.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,215.80 : 169,823.70 = 100,968.60 : x
  2. Step 2: Convert to fraction form
    113,215.80/169,823.70 = 100,968.60/x
  3. Step 3: Cross multiply
    113,215.80x = 169,823.70 × 100,968.60
  4. Step 4: Simplify right side
    113,215.80x = 17,146,861,235.82
  5. Step 5: Solve for x
    x = 17,146,861,235.82/113,215.80
  6. Step 6: Final answer
    x = 151,452.90

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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.