Home / 159,734.40-220,504.32-103,173.36

Finding the Fourth Proportional to 159,734.40, 220,504.32 and 103,173.36

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Solution

The fourth proportional to 159,734.40, 220,504.32 and 103,173.36 is: 142,425.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,734.40 : 220,504.32 = 103,173.36 : x
  2. Step 2: Convert to fraction form
    159,734.40/220,504.32 = 103,173.36/x
  3. Step 3: Cross multiply
    159,734.40x = 220,504.32 × 103,173.36
  4. Step 4: Simplify right side
    159,734.40x = 22,750,171,588.92
  5. Step 5: Solve for x
    x = 22,750,171,588.92/159,734.40
  6. Step 6: Final answer
    x = 142,425.00

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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.