Home / 189,944.28-284,833.44-90,133.02

Finding the Fourth Proportional to 189,944.28, 284,833.44 and 90,133.02

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Solution

The fourth proportional to 189,944.28, 284,833.44 and 90,133.02 is: 135,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,944.28 : 284,833.44 = 90,133.02 : x
  2. Step 2: Convert to fraction form
    189,944.28/284,833.44 = 90,133.02/x
  3. Step 3: Cross multiply
    189,944.28x = 284,833.44 × 90,133.02
  4. Step 4: Simplify right side
    189,944.28x = 25,672,898,144.19
  5. Step 5: Solve for x
    x = 25,672,898,144.19/189,944.28
  6. Step 6: Final answer
    x = 135,160.15

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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.