Home / 136,299.10-188,098.28-75,865.91

Finding the Fourth Proportional to 136,299.10, 188,098.28 and 75,865.91

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Solution

The fourth proportional to 136,299.10, 188,098.28 and 75,865.91 is: 104,698.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,299.10 : 188,098.28 = 75,865.91 : x
  2. Step 2: Convert to fraction form
    136,299.10/188,098.28 = 75,865.91/x
  3. Step 3: Cross multiply
    136,299.10x = 188,098.28 × 75,865.91
  4. Step 4: Simplify right side
    136,299.10x = 14,270,247,371.30
  5. Step 5: Solve for x
    x = 14,270,247,371.30/136,299.10
  6. Step 6: Final answer
    x = 104,698.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.