Home / 136,037.98-204,091.55-79,925.50

Finding the Fourth Proportional to 136,037.98, 204,091.55 and 79,925.50

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Solution

The fourth proportional to 136,037.98, 204,091.55 and 79,925.50 is: 119,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,037.98 : 204,091.55 = 79,925.50 : x
  2. Step 2: Convert to fraction form
    136,037.98/204,091.55 = 79,925.50/x
  3. Step 3: Cross multiply
    136,037.98x = 204,091.55 × 79,925.50
  4. Step 4: Simplify right side
    136,037.98x = 16,312,117,759.44
  5. Step 5: Solve for x
    x = 16,312,117,759.44/136,037.98
  6. Step 6: Final answer
    x = 119,908.56

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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.