Home / 187,104.81-280,857.06-80,541.54

Finding the Fourth Proportional to 187,104.81, 280,857.06 and 80,541.54

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Solution

The fourth proportional to 187,104.81, 280,857.06 and 80,541.54 is: 120,898.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,104.81 : 280,857.06 = 80,541.54 : x
  2. Step 2: Convert to fraction form
    187,104.81/280,857.06 = 80,541.54/x
  3. Step 3: Cross multiply
    187,104.81x = 280,857.06 × 80,541.54
  4. Step 4: Simplify right side
    187,104.81x = 22,620,660,132.27
  5. Step 5: Solve for x
    x = 22,620,660,132.27/187,104.81
  6. Step 6: Final answer
    x = 120,898.34

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1.5x scale

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.