Home / 146,801.10-220,201.65-76,671.30

Finding the Fourth Proportional to 146,801.10, 220,201.65 and 76,671.30

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Solution

The fourth proportional to 146,801.10, 220,201.65 and 76,671.30 is: 115,006.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,801.10 : 220,201.65 = 76,671.30 : x
  2. Step 2: Convert to fraction form
    146,801.10/220,201.65 = 76,671.30/x
  3. Step 3: Cross multiply
    146,801.10x = 220,201.65 × 76,671.30
  4. Step 4: Simplify right side
    146,801.10x = 16,883,146,767.65
  5. Step 5: Solve for x
    x = 16,883,146,767.65/146,801.10
  6. Step 6: Final answer
    x = 115,006.95

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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.