Home / 250,457.04-345,636.72-137,286

Finding the Fourth Proportional to 250,457.04, 345,636.72 and 137,286

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Solution

The fourth proportional to 250,457.04, 345,636.72 and 137,286 is: 189,457.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,457.04 : 345,636.72 = 137,286 : x
  2. Step 2: Convert to fraction form
    250,457.04/345,636.72 = 137,286/x
  3. Step 3: Cross multiply
    250,457.04x = 345,636.72 × 137,286
  4. Step 4: Simplify right side
    250,457.04x = 47,451,082,741.92
  5. Step 5: Solve for x
    x = 47,451,082,741.92/250,457.04
  6. Step 6: Final answer
    x = 189,457.97

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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.