Home / 162,147.06-243,226.74-43,818.41

Finding the Fourth Proportional to 162,147.06, 243,226.74 and 43,818.41

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Solution

The fourth proportional to 162,147.06, 243,226.74 and 43,818.41 is: 65,729.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,147.06 : 243,226.74 = 43,818.41 : x
  2. Step 2: Convert to fraction form
    162,147.06/243,226.74 = 43,818.41/x
  3. Step 3: Cross multiply
    162,147.06x = 243,226.74 × 43,818.41
  4. Step 4: Simplify right side
    162,147.06x = 10,657,809,016.28
  5. Step 5: Solve for x
    x = 10,657,809,016.28/162,147.06
  6. Step 6: Final answer
    x = 65,729.28

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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.