Home / 178,923.22-268,378.65-45,804.62

Finding the Fourth Proportional to 178,923.22, 268,378.65 and 45,804.62

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Solution

The fourth proportional to 178,923.22, 268,378.65 and 45,804.62 is: 68,705.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,923.22 : 268,378.65 = 45,804.62 : x
  2. Step 2: Convert to fraction form
    178,923.22/268,378.65 = 45,804.62/x
  3. Step 3: Cross multiply
    178,923.22x = 268,378.65 × 45,804.62
  4. Step 4: Simplify right side
    178,923.22x = 12,292,982,750.31
  5. Step 5: Solve for x
    x = 12,292,982,750.31/178,923.22
  6. Step 6: Final answer
    x = 68,705.35

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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.