Home / 210,049.28-289,767.96-142,090.04

Finding the Fourth Proportional to 210,049.28, 289,767.96 and 142,090.04

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Solution

The fourth proportional to 210,049.28, 289,767.96 and 142,090.04 is: 196,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,049.28 : 289,767.96 = 142,090.04 : x
  2. Step 2: Convert to fraction form
    210,049.28/289,767.96 = 142,090.04/x
  3. Step 3: Cross multiply
    210,049.28x = 289,767.96 × 142,090.04
  4. Step 4: Simplify right side
    210,049.28x = 41,173,141,027.12
  5. Step 5: Solve for x
    x = 41,173,141,027.12/210,049.28
  6. Step 6: Final answer
    x = 196,016.58

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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.