Home / 113,129.09-169,765.10-63,241.91

Finding the Fourth Proportional to 113,129.09, 169,765.10 and 63,241.91

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Solution

The fourth proportional to 113,129.09, 169,765.10 and 63,241.91 is: 94,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,129.09 : 169,765.10 = 63,241.91 : x
  2. Step 2: Convert to fraction form
    113,129.09/169,765.10 = 63,241.91/x
  3. Step 3: Cross multiply
    113,129.09x = 169,765.10 × 63,241.91
  4. Step 4: Simplify right side
    113,129.09x = 10,736,269,175.34
  5. Step 5: Solve for x
    x = 10,736,269,175.34/113,129.09
  6. Step 6: Final answer
    x = 94,902.82

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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.