Home / 133,037.10-199,555.65-39,542.85

Finding the Fourth Proportional to 133,037.10, 199,555.65 and 39,542.85

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Solution

The fourth proportional to 133,037.10, 199,555.65 and 39,542.85 is: 59,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,037.10 : 199,555.65 = 39,542.85 : x
  2. Step 2: Convert to fraction form
    133,037.10/199,555.65 = 39,542.85/x
  3. Step 3: Cross multiply
    133,037.10x = 199,555.65 × 39,542.85
  4. Step 4: Simplify right side
    133,037.10x = 7,890,999,134.60
  5. Step 5: Solve for x
    x = 7,890,999,134.60/133,037.10
  6. Step 6: Final answer
    x = 59,314.28

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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.