Home / 146,678.28-220,018.26-53,181.60

Finding the Fourth Proportional to 146,678.28, 220,018.26 and 53,181.60

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Solution

The fourth proportional to 146,678.28, 220,018.26 and 53,181.60 is: 79,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,678.28 : 220,018.26 = 53,181.60 : x
  2. Step 2: Convert to fraction form
    146,678.28/220,018.26 = 53,181.60/x
  3. Step 3: Cross multiply
    146,678.28x = 220,018.26 × 53,181.60
  4. Step 4: Simplify right side
    146,678.28x = 11,700,923,096.02
  5. Step 5: Solve for x
    x = 11,700,923,096.02/146,678.28
  6. Step 6: Final answer
    x = 79,772.70

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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.