Home / 113,153.79-169,481.43-75,537.66

Finding the Fourth Proportional to 113,153.79, 169,481.43 and 75,537.66

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Solution

The fourth proportional to 113,153.79, 169,481.43 and 75,537.66 is: 113,140.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,153.79 : 169,481.43 = 75,537.66 : x
  2. Step 2: Convert to fraction form
    113,153.79/169,481.43 = 75,537.66/x
  3. Step 3: Cross multiply
    113,153.79x = 169,481.43 × 75,537.66
  4. Step 4: Simplify right side
    113,153.79x = 12,802,230,635.65
  5. Step 5: Solve for x
    x = 12,802,230,635.65/113,153.79
  6. Step 6: Final answer
    x = 113,140.10

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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.