Home / 165,311.20-247,966.80-112,167.10

Finding the Fourth Proportional to 165,311.20, 247,966.80 and 112,167.10

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Solution

The fourth proportional to 165,311.20, 247,966.80 and 112,167.10 is: 168,250.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,311.20 : 247,966.80 = 112,167.10 : x
  2. Step 2: Convert to fraction form
    165,311.20/247,966.80 = 112,167.10/x
  3. Step 3: Cross multiply
    165,311.20x = 247,966.80 × 112,167.10
  4. Step 4: Simplify right side
    165,311.20x = 27,813,716,852.28
  5. Step 5: Solve for x
    x = 27,813,716,852.28/165,311.20
  6. Step 6: Final answer
    x = 168,250.65

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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.