Home / 178,903.20-268,354.56-45,783.50

Finding the Fourth Proportional to 178,903.20, 268,354.56 and 45,783.50

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Solution

The fourth proportional to 178,903.20, 268,354.56 and 45,783.50 is: 68,675.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,903.20 : 268,354.56 = 45,783.50 : x
  2. Step 2: Convert to fraction form
    178,903.20/268,354.56 = 45,783.50/x
  3. Step 3: Cross multiply
    178,903.20x = 268,354.56 × 45,783.50
  4. Step 4: Simplify right side
    178,903.20x = 12,286,210,997.76
  5. Step 5: Solve for x
    x = 12,286,210,997.76/178,903.20
  6. Step 6: Final answer
    x = 68,675.19

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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.