Home / 146,997.72-220,508.28-45,783.36

Finding the Fourth Proportional to 146,997.72, 220,508.28 and 45,783.36

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Solution

The fourth proportional to 146,997.72, 220,508.28 and 45,783.36 is: 68,678.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,997.72 : 220,508.28 = 45,783.36 : x
  2. Step 2: Convert to fraction form
    146,997.72/220,508.28 = 45,783.36/x
  3. Step 3: Cross multiply
    146,997.72x = 220,508.28 × 45,783.36
  4. Step 4: Simplify right side
    146,997.72x = 10,095,609,966.22
  5. Step 5: Solve for x
    x = 10,095,609,966.22/146,997.72
  6. Step 6: Final answer
    x = 68,678.68

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1.5x scale

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.