Home / 132,748.48-199,116.24-49,636

Finding the Fourth Proportional to 132,748.48, 199,116.24 and 49,636

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Solution

The fourth proportional to 132,748.48, 199,116.24 and 49,636 is: 74,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,748.48 : 199,116.24 = 49,636 : x
  2. Step 2: Convert to fraction form
    132,748.48/199,116.24 = 49,636/x
  3. Step 3: Cross multiply
    132,748.48x = 199,116.24 × 49,636
  4. Step 4: Simplify right side
    132,748.48x = 9,883,333,688.64
  5. Step 5: Solve for x
    x = 9,883,333,688.64/132,748.48
  6. Step 6: Final answer
    x = 74,451.58

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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.