Home / 113,138.25-169,729.21-43,012.10

Finding the Fourth Proportional to 113,138.25, 169,729.21 and 43,012.10

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Solution

The fourth proportional to 113,138.25, 169,729.21 and 43,012.10 is: 64,526.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,138.25 : 169,729.21 = 43,012.10 : x
  2. Step 2: Convert to fraction form
    113,138.25/169,729.21 = 43,012.10/x
  3. Step 3: Cross multiply
    113,138.25x = 169,729.21 × 43,012.10
  4. Step 4: Simplify right side
    113,138.25x = 7,300,409,753.44
  5. Step 5: Solve for x
    x = 7,300,409,753.44/113,138.25
  6. Step 6: Final answer
    x = 64,526.45

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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.