Home / 409,158.04-613,738.68-142,917.52

Finding the Fourth Proportional to 409,158.04, 613,738.68 and 142,917.52

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Solution

The fourth proportional to 409,158.04, 613,738.68 and 142,917.52 is: 214,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,158.04 : 613,738.68 = 142,917.52 : x
  2. Step 2: Convert to fraction form
    409,158.04/613,738.68 = 142,917.52/x
  3. Step 3: Cross multiply
    409,158.04x = 613,738.68 × 142,917.52
  4. Step 4: Simplify right side
    409,158.04x = 87,714,010,073.67
  5. Step 5: Solve for x
    x = 87,714,010,073.67/409,158.04
  6. Step 6: Final answer
    x = 214,376.85

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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.