Home / 82,190.92-123,285.03-26,030.94

Finding the Fourth Proportional to 82,190.92, 123,285.03 and 26,030.94

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Solution

The fourth proportional to 82,190.92, 123,285.03 and 26,030.94 is: 39,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,190.92 : 123,285.03 = 26,030.94 : x
  2. Step 2: Convert to fraction form
    82,190.92/123,285.03 = 26,030.94/x
  3. Step 3: Cross multiply
    82,190.92x = 123,285.03 × 26,030.94
  4. Step 4: Simplify right side
    82,190.92x = 3,209,225,218.83
  5. Step 5: Solve for x
    x = 3,209,225,218.83/82,190.92
  6. Step 6: Final answer
    x = 39,045.98

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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.