Home / 169,965.12-254,947.44-80,948.64

Finding the Fourth Proportional to 169,965.12, 254,947.44 and 80,948.64

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Solution

The fourth proportional to 169,965.12, 254,947.44 and 80,948.64 is: 121,422.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,965.12 : 254,947.44 = 80,948.64 : x
  2. Step 2: Convert to fraction form
    169,965.12/254,947.44 = 80,948.64/x
  3. Step 3: Cross multiply
    169,965.12x = 254,947.44 × 80,948.64
  4. Step 4: Simplify right side
    169,965.12x = 20,637,648,539.48
  5. Step 5: Solve for x
    x = 20,637,648,539.48/169,965.12
  6. Step 6: Final answer
    x = 121,422.85

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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.