Home / 445,457.12-668,150.82-125,596.07

Finding the Fourth Proportional to 445,457.12, 668,150.82 and 125,596.07

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Solution

The fourth proportional to 445,457.12, 668,150.82 and 125,596.07 is: 188,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,457.12 : 668,150.82 = 125,596.07 : x
  2. Step 2: Convert to fraction form
    445,457.12/668,150.82 = 125,596.07/x
  3. Step 3: Cross multiply
    445,457.12x = 668,150.82 × 125,596.07
  4. Step 4: Simplify right side
    445,457.12x = 83,917,115,970.85
  5. Step 5: Solve for x
    x = 83,917,115,970.85/445,457.12
  6. Step 6: Final answer
    x = 188,384.27

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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.