Home / 189,399.38-284,049.93-56,248.34

Finding the Fourth Proportional to 189,399.38, 284,049.93 and 56,248.34

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Solution

The fourth proportional to 189,399.38, 284,049.93 and 56,248.34 is: 84,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,399.38 : 284,049.93 = 56,248.34 : x
  2. Step 2: Convert to fraction form
    189,399.38/284,049.93 = 56,248.34/x
  3. Step 3: Cross multiply
    189,399.38x = 284,049.93 × 56,248.34
  4. Step 4: Simplify right side
    189,399.38x = 15,977,337,039.62
  5. Step 5: Solve for x
    x = 15,977,337,039.62/189,399.38
  6. Step 6: Final answer
    x = 84,357.92

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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.