Home / 128,011.65-192,037.52-104,262.04

Finding the Fourth Proportional to 128,011.65, 192,037.52 and 104,262.04

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Solution

The fourth proportional to 128,011.65, 192,037.52 and 104,262.04 is: 156,409.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,011.65 : 192,037.52 = 104,262.04 : x
  2. Step 2: Convert to fraction form
    128,011.65/192,037.52 = 104,262.04/x
  3. Step 3: Cross multiply
    128,011.65x = 192,037.52 × 104,262.04
  4. Step 4: Simplify right side
    128,011.65x = 20,022,223,591.74
  5. Step 5: Solve for x
    x = 20,022,223,591.74/128,011.65
  6. Step 6: Final answer
    x = 156,409.39

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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.