Home / 152,813.28-229,189.60-76,891.58

Finding the Fourth Proportional to 152,813.28, 229,189.60 and 76,891.58

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Solution

The fourth proportional to 152,813.28, 229,189.60 and 76,891.58 is: 115,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,813.28 : 229,189.60 = 76,891.58 : x
  2. Step 2: Convert to fraction form
    152,813.28/229,189.60 = 76,891.58/x
  3. Step 3: Cross multiply
    152,813.28x = 229,189.60 × 76,891.58
  4. Step 4: Simplify right side
    152,813.28x = 17,622,750,273.20
  5. Step 5: Solve for x
    x = 17,622,750,273.20/152,813.28
  6. Step 6: Final answer
    x = 115,322.11

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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.