Home / 189,429.18-284,197.08-82,822.50

Finding the Fourth Proportional to 189,429.18, 284,197.08 and 82,822.50

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Solution

The fourth proportional to 189,429.18, 284,197.08 and 82,822.50 is: 124,257.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,429.18 : 284,197.08 = 82,822.50 : x
  2. Step 2: Convert to fraction form
    189,429.18/284,197.08 = 82,822.50/x
  3. Step 3: Cross multiply
    189,429.18x = 284,197.08 × 82,822.50
  4. Step 4: Simplify right side
    189,429.18x = 23,537,912,658.30
  5. Step 5: Solve for x
    x = 23,537,912,658.30/189,429.18
  6. Step 6: Final answer
    x = 124,257.06

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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.