Home / 445,727.04-668,120.80-146,129.44

Finding the Fourth Proportional to 445,727.04, 668,120.80 and 146,129.44

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Solution

The fourth proportional to 445,727.04, 668,120.80 and 146,129.44 is: 219,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,727.04 : 668,120.80 = 146,129.44 : x
  2. Step 2: Convert to fraction form
    445,727.04/668,120.80 = 146,129.44/x
  3. Step 3: Cross multiply
    445,727.04x = 668,120.80 × 146,129.44
  4. Step 4: Simplify right side
    445,727.04x = 97,632,118,356.35
  5. Step 5: Solve for x
    x = 97,632,118,356.35/445,727.04
  6. Step 6: Final answer
    x = 219,040.15

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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.