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Finding the Fourth Proportional to 146,615.00, 219,907.91 and 67,728.08

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Solution

The fourth proportional to 146,615.00, 219,907.91 and 67,728.08 is: 101,585.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,615.00 : 219,907.91 = 67,728.08 : x
  2. Step 2: Convert to fraction form
    146,615.00/219,907.91 = 67,728.08/x
  3. Step 3: Cross multiply
    146,615.00x = 219,907.91 × 67,728.08
  4. Step 4: Simplify right side
    146,615.00x = 14,893,941,240.20
  5. Step 5: Solve for x
    x = 14,893,941,240.20/146,615.00
  6. Step 6: Final answer
    x = 101,585.39

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1.5x scale

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.