Home / 146,829.20-220,704.60-144,064.40

Finding the Fourth Proportional to 146,829.20, 220,704.60 and 144,064.40

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Solution

The fourth proportional to 146,829.20, 220,704.60 and 144,064.40 is: 216,548.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,829.20 : 220,704.60 = 144,064.40 : x
  2. Step 2: Convert to fraction form
    146,829.20/220,704.60 = 144,064.40/x
  3. Step 3: Cross multiply
    146,829.20x = 220,704.60 × 144,064.40
  4. Step 4: Simplify right side
    146,829.20x = 31,795,675,776.24
  5. Step 5: Solve for x
    x = 31,795,675,776.24/146,829.20
  6. Step 6: Final answer
    x = 216,548.72

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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.