Home / 320,112.24-480,170.07-95,470.86

Finding the Fourth Proportional to 320,112.24, 480,170.07 and 95,470.86

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Solution

The fourth proportional to 320,112.24, 480,170.07 and 95,470.86 is: 143,206.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,112.24 : 480,170.07 = 95,470.86 : x
  2. Step 2: Convert to fraction form
    320,112.24/480,170.07 = 95,470.86/x
  3. Step 3: Cross multiply
    320,112.24x = 480,170.07 × 95,470.86
  4. Step 4: Simplify right side
    320,112.24x = 45,842,249,529.16
  5. Step 5: Solve for x
    x = 45,842,249,529.16/320,112.24
  6. Step 6: Final answer
    x = 143,206.80

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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.