Home / 146,679.28-220,019.76-53,182.60

Finding the Fourth Proportional to 146,679.28, 220,019.76 and 53,182.60

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Solution

The fourth proportional to 146,679.28, 220,019.76 and 53,182.60 is: 79,774.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,679.28 : 220,019.76 = 53,182.60 : x
  2. Step 2: Convert to fraction form
    146,679.28/220,019.76 = 53,182.60/x
  3. Step 3: Cross multiply
    146,679.28x = 220,019.76 × 53,182.60
  4. Step 4: Simplify right side
    146,679.28x = 11,701,222,888.18
  5. Step 5: Solve for x
    x = 11,701,222,888.18/146,679.28
  6. Step 6: Final answer
    x = 79,774.20

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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.