Home / 188,154.85-282,281.46-109,193.17

Finding the Fourth Proportional to 188,154.85, 282,281.46 and 109,193.17

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Solution

The fourth proportional to 188,154.85, 282,281.46 and 109,193.17 is: 163,818.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,154.85 : 282,281.46 = 109,193.17 : x
  2. Step 2: Convert to fraction form
    188,154.85/282,281.46 = 109,193.17/x
  3. Step 3: Cross multiply
    188,154.85x = 282,281.46 × 109,193.17
  4. Step 4: Simplify right side
    188,154.85x = 30,823,207,449.63
  5. Step 5: Solve for x
    x = 30,823,207,449.63/188,154.85
  6. Step 6: Final answer
    x = 163,818.30

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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.