Home / 272,631.42-408,883.55-104,089.86

Finding the Fourth Proportional to 272,631.42, 408,883.55 and 104,089.86

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Solution

The fourth proportional to 272,631.42, 408,883.55 and 104,089.86 is: 156,110.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,631.42 : 408,883.55 = 104,089.86 : x
  2. Step 2: Convert to fraction form
    272,631.42/408,883.55 = 104,089.86/x
  3. Step 3: Cross multiply
    272,631.42x = 408,883.55 × 104,089.86
  4. Step 4: Simplify right side
    272,631.42x = 42,560,630,955.35
  5. Step 5: Solve for x
    x = 42,560,630,955.35/272,631.42
  6. Step 6: Final answer
    x = 156,110.51

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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.