Home / 189,438.31-284,169.28-63,089.85

Finding the Fourth Proportional to 189,438.31, 284,169.28 and 63,089.85

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Solution

The fourth proportional to 189,438.31, 284,169.28 and 63,089.85 is: 94,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,438.31 : 284,169.28 = 63,089.85 : x
  2. Step 2: Convert to fraction form
    189,438.31/284,169.28 = 63,089.85/x
  3. Step 3: Cross multiply
    189,438.31x = 284,169.28 × 63,089.85
  4. Step 4: Simplify right side
    189,438.31x = 17,928,197,249.81
  5. Step 5: Solve for x
    x = 17,928,197,249.81/189,438.31
  6. Step 6: Final answer
    x = 94,638.71

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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.