Home / 146,669.28-220,004.76-53,172.60

Finding the Fourth Proportional to 146,669.28, 220,004.76 and 53,172.60

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Solution

The fourth proportional to 146,669.28, 220,004.76 and 53,172.60 is: 79,759.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,669.28 : 220,004.76 = 53,172.60 : x
  2. Step 2: Convert to fraction form
    146,669.28/220,004.76 = 53,172.60/x
  3. Step 3: Cross multiply
    146,669.28x = 220,004.76 × 53,172.60
  4. Step 4: Simplify right side
    146,669.28x = 11,698,225,101.58
  5. Step 5: Solve for x
    x = 11,698,225,101.58/146,669.28
  6. Step 6: Final answer
    x = 79,759.20

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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.