Home / 170,123.50-255,102.09-102,725.02

Finding the Fourth Proportional to 170,123.50, 255,102.09 and 102,725.02

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Solution

The fourth proportional to 170,123.50, 255,102.09 and 102,725.02 is: 154,037.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,123.50 : 255,102.09 = 102,725.02 : x
  2. Step 2: Convert to fraction form
    170,123.50/255,102.09 = 102,725.02/x
  3. Step 3: Cross multiply
    170,123.50x = 255,102.09 × 102,725.02
  4. Step 4: Simplify right side
    170,123.50x = 26,205,367,297.29
  5. Step 5: Solve for x
    x = 26,205,367,297.29/170,123.50
  6. Step 6: Final answer
    x = 154,037.32

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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.