Home / 113,220.09-169,835.81-43,104.87

Finding the Fourth Proportional to 113,220.09, 169,835.81 and 43,104.87

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Solution

The fourth proportional to 113,220.09, 169,835.81 and 43,104.87 is: 64,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,220.09 : 169,835.81 = 43,104.87 : x
  2. Step 2: Convert to fraction form
    113,220.09/169,835.81 = 43,104.87/x
  3. Step 3: Cross multiply
    113,220.09x = 169,835.81 × 43,104.87
  4. Step 4: Simplify right side
    113,220.09x = 7,320,750,295.87
  5. Step 5: Solve for x
    x = 7,320,750,295.87/113,220.09
  6. Step 6: Final answer
    x = 64,659.46

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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.