Home / 255,448.10-352,529.25-142,270.85

Finding the Fourth Proportional to 255,448.10, 352,529.25 and 142,270.85

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Solution

The fourth proportional to 255,448.10, 352,529.25 and 142,270.85 is: 196,339.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,448.10 : 352,529.25 = 142,270.85 : x
  2. Step 2: Convert to fraction form
    255,448.10/352,529.25 = 142,270.85/x
  3. Step 3: Cross multiply
    255,448.10x = 352,529.25 × 142,270.85
  4. Step 4: Simplify right side
    255,448.10x = 50,154,636,047.36
  5. Step 5: Solve for x
    x = 50,154,636,047.36/255,448.10
  6. Step 6: Final answer
    x = 196,339.83

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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.