Home / 124,847.70-187,271.55-82,857.30

Finding the Fourth Proportional to 124,847.70, 187,271.55 and 82,857.30

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Solution

The fourth proportional to 124,847.70, 187,271.55 and 82,857.30 is: 124,285.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,847.70 : 187,271.55 = 82,857.30 : x
  2. Step 2: Convert to fraction form
    124,847.70/187,271.55 = 82,857.30/x
  3. Step 3: Cross multiply
    124,847.70x = 187,271.55 × 82,857.30
  4. Step 4: Simplify right side
    124,847.70x = 15,516,814,999.82
  5. Step 5: Solve for x
    x = 15,516,814,999.82/124,847.70
  6. Step 6: Final answer
    x = 124,285.95

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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.