Home / 213,085.29-294,168.26-155,660.14

Finding the Fourth Proportional to 213,085.29, 294,168.26 and 155,660.14

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Solution

The fourth proportional to 213,085.29, 294,168.26 and 155,660.14 is: 214,891.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,085.29 : 294,168.26 = 155,660.14 : x
  2. Step 2: Convert to fraction form
    213,085.29/294,168.26 = 155,660.14/x
  3. Step 3: Cross multiply
    213,085.29x = 294,168.26 × 155,660.14
  4. Step 4: Simplify right side
    213,085.29x = 45,790,271,064.32
  5. Step 5: Solve for x
    x = 45,790,271,064.32/213,085.29
  6. Step 6: Final answer
    x = 214,891.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.