Home / 255,623.67-352,767.87-142,453.71

Finding the Fourth Proportional to 255,623.67, 352,767.87 and 142,453.71

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Solution

The fourth proportional to 255,623.67, 352,767.87 and 142,453.71 is: 196,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,623.67 : 352,767.87 = 142,453.71 : x
  2. Step 2: Convert to fraction form
    255,623.67/352,767.87 = 142,453.71/x
  3. Step 3: Cross multiply
    255,623.67x = 352,767.87 × 142,453.71
  4. Step 4: Simplify right side
    255,623.67x = 50,253,091,850.30
  5. Step 5: Solve for x
    x = 50,253,091,850.30/255,623.67
  6. Step 6: Final answer
    x = 196,590.14

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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.