Home / 139,056.22-208,604.30-43,000.92

Finding the Fourth Proportional to 139,056.22, 208,604.30 and 43,000.92

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Solution

The fourth proportional to 139,056.22, 208,604.30 and 43,000.92 is: 64,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,056.22 : 208,604.30 = 43,000.92 : x
  2. Step 2: Convert to fraction form
    139,056.22/208,604.30 = 43,000.92/x
  3. Step 3: Cross multiply
    139,056.22x = 208,604.30 × 43,000.92
  4. Step 4: Simplify right side
    139,056.22x = 8,970,176,600.95
  5. Step 5: Solve for x
    x = 8,970,176,600.95/139,056.22
  6. Step 6: Final answer
    x = 64,507.56

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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.