Home / 146,037.85-201,532.17-78,969.85

Finding the Fourth Proportional to 146,037.85, 201,532.17 and 78,969.85

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Solution

The fourth proportional to 146,037.85, 201,532.17 and 78,969.85 is: 108,978.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,037.85 : 201,532.17 = 78,969.85 : x
  2. Step 2: Convert to fraction form
    146,037.85/201,532.17 = 78,969.85/x
  3. Step 3: Cross multiply
    146,037.85x = 201,532.17 × 78,969.85
  4. Step 4: Simplify right side
    146,037.85x = 15,914,965,235.07
  5. Step 5: Solve for x
    x = 15,914,965,235.07/146,037.85
  6. Step 6: Final answer
    x = 108,978.36

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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.