Home / 199,337.60-275,084.16-108,695

Finding the Fourth Proportional to 199,337.60, 275,084.16 and 108,695

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Solution

The fourth proportional to 199,337.60, 275,084.16 and 108,695 is: 149,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,337.60 : 275,084.16 = 108,695 : x
  2. Step 2: Convert to fraction form
    199,337.60/275,084.16 = 108,695/x
  3. Step 3: Cross multiply
    199,337.60x = 275,084.16 × 108,695
  4. Step 4: Simplify right side
    199,337.60x = 29,900,272,771.20
  5. Step 5: Solve for x
    x = 29,900,272,771.20/199,337.60
  6. Step 6: Final answer
    x = 149,998.16

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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.