Home / 136,037.05-187,734.32-75,610.24

Finding the Fourth Proportional to 136,037.05, 187,734.32 and 75,610.24

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Solution

The fourth proportional to 136,037.05, 187,734.32 and 75,610.24 is: 104,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,037.05 : 187,734.32 = 75,610.24 : x
  2. Step 2: Convert to fraction form
    136,037.05/187,734.32 = 75,610.24/x
  3. Step 3: Cross multiply
    136,037.05x = 187,734.32 × 75,610.24
  4. Step 4: Simplify right side
    136,037.05x = 14,194,636,991.44
  5. Step 5: Solve for x
    x = 14,194,636,991.44/136,037.05
  6. Step 6: Final answer
    x = 104,343.90

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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.