Home / 146,830.20-220,302.90-53,345.40

Finding the Fourth Proportional to 146,830.20, 220,302.90 and 53,345.40

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Solution

The fourth proportional to 146,830.20, 220,302.90 and 53,345.40 is: 80,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,830.20 : 220,302.90 = 53,345.40 : x
  2. Step 2: Convert to fraction form
    146,830.20/220,302.90 = 53,345.40/x
  3. Step 3: Cross multiply
    146,830.20x = 220,302.90 × 53,345.40
  4. Step 4: Simplify right side
    146,830.20x = 11,752,146,321.66
  5. Step 5: Solve for x
    x = 11,752,146,321.66/146,830.20
  6. Step 6: Final answer
    x = 80,039.03

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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.