Home / 217,012.40-325,324.20-142,168.40

Finding the Fourth Proportional to 217,012.40, 325,324.20 and 142,168.40

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Solution

The fourth proportional to 217,012.40, 325,324.20 and 142,168.40 is: 213,125.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,012.40 : 325,324.20 = 142,168.40 : x
  2. Step 2: Convert to fraction form
    217,012.40/325,324.20 = 142,168.40/x
  3. Step 3: Cross multiply
    217,012.40x = 325,324.20 × 142,168.40
  4. Step 4: Simplify right side
    217,012.40x = 46,250,820,995.28
  5. Step 5: Solve for x
    x = 46,250,820,995.28/217,012.40
  6. Step 6: Final answer
    x = 213,125.25

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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.