Home / 178,840.32-268,260.24-45,720.72

Finding the Fourth Proportional to 178,840.32, 268,260.24 and 45,720.72

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Solution

The fourth proportional to 178,840.32, 268,260.24 and 45,720.72 is: 68,581.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,840.32 : 268,260.24 = 45,720.72 : x
  2. Step 2: Convert to fraction form
    178,840.32/268,260.24 = 45,720.72/x
  3. Step 3: Cross multiply
    178,840.32x = 268,260.24 × 45,720.72
  4. Step 4: Simplify right side
    178,840.32x = 12,265,051,320.17
  5. Step 5: Solve for x
    x = 12,265,051,320.17/178,840.32
  6. Step 6: Final answer
    x = 68,581.02

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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.