Home / 152,987.63-229,286.73-86,464.85

Finding the Fourth Proportional to 152,987.63, 229,286.73 and 86,464.85

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Solution

The fourth proportional to 152,987.63, 229,286.73 and 86,464.85 is: 129,587.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,987.63 : 229,286.73 = 86,464.85 : x
  2. Step 2: Convert to fraction form
    152,987.63/229,286.73 = 86,464.85/x
  3. Step 3: Cross multiply
    152,987.63x = 229,286.73 × 86,464.85
  4. Step 4: Simplify right side
    152,987.63x = 19,825,242,716.44
  5. Step 5: Solve for x
    x = 19,825,242,716.44/152,987.63
  6. Step 6: Final answer
    x = 129,587.23

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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.