Home / 159,933.12-220,698.36-88,311.36

Finding the Fourth Proportional to 159,933.12, 220,698.36 and 88,311.36

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Solution

The fourth proportional to 159,933.12, 220,698.36 and 88,311.36 is: 121,864.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,933.12 : 220,698.36 = 88,311.36 : x
  2. Step 2: Convert to fraction form
    159,933.12/220,698.36 = 88,311.36/x
  3. Step 3: Cross multiply
    159,933.12x = 220,698.36 × 88,311.36
  4. Step 4: Simplify right side
    159,933.12x = 19,490,172,321.37
  5. Step 5: Solve for x
    x = 19,490,172,321.37/159,933.12
  6. Step 6: Final answer
    x = 121,864.52

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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.