Home / 178,869.60-268,235.35-76,221.74

Finding the Fourth Proportional to 178,869.60, 268,235.35 and 76,221.74

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Solution

The fourth proportional to 178,869.60, 268,235.35 and 76,221.74 is: 114,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,869.60 : 268,235.35 = 76,221.74 : x
  2. Step 2: Convert to fraction form
    178,869.60/268,235.35 = 76,221.74/x
  3. Step 3: Cross multiply
    178,869.60x = 268,235.35 × 76,221.74
  4. Step 4: Simplify right side
    178,869.60x = 20,445,365,586.54
  5. Step 5: Solve for x
    x = 20,445,365,586.54/178,869.60
  6. Step 6: Final answer
    x = 114,303.19

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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.