Home / 170,811.40-256,217.10-108,603.40

Finding the Fourth Proportional to 170,811.40, 256,217.10 and 108,603.40

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Solution

The fourth proportional to 170,811.40, 256,217.10 and 108,603.40 is: 162,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,811.40 : 256,217.10 = 108,603.40 : x
  2. Step 2: Convert to fraction form
    170,811.40/256,217.10 = 108,603.40/x
  3. Step 3: Cross multiply
    170,811.40x = 256,217.10 × 108,603.40
  4. Step 4: Simplify right side
    170,811.40x = 27,826,048,198.14
  5. Step 5: Solve for x
    x = 27,826,048,198.14/170,811.40
  6. Step 6: Final answer
    x = 162,905.10

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1.5x scale

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.