Home / 178,740.76-268,110.90-45,621.02

Finding the Fourth Proportional to 178,740.76, 268,110.90 and 45,621.02

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Solution

The fourth proportional to 178,740.76, 268,110.90 and 45,621.02 is: 68,431.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,740.76 : 268,110.90 = 45,621.02 : x
  2. Step 2: Convert to fraction form
    178,740.76/268,110.90 = 45,621.02/x
  3. Step 3: Cross multiply
    178,740.76x = 268,110.90 × 45,621.02
  4. Step 4: Simplify right side
    178,740.76x = 12,231,492,731.12
  5. Step 5: Solve for x
    x = 12,231,492,731.12/178,740.76
  6. Step 6: Final answer
    x = 68,431.47

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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.