Home / 251,719.92-347,366.92-137,000.84

Finding the Fourth Proportional to 251,719.92, 347,366.92 and 137,000.84

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Solution

The fourth proportional to 251,719.92, 347,366.92 and 137,000.84 is: 189,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,719.92 : 347,366.92 = 137,000.84 : x
  2. Step 2: Convert to fraction form
    251,719.92/347,366.92 = 137,000.84/x
  3. Step 3: Cross multiply
    251,719.92x = 347,366.92 × 137,000.84
  4. Step 4: Simplify right side
    251,719.92x = 47,589,559,828.21
  5. Step 5: Solve for x
    x = 47,589,559,828.21/251,719.92
  6. Step 6: Final answer
    x = 189,057.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.