Home / 109,065.31-163,600.02-34,183.80

Finding the Fourth Proportional to 109,065.31, 163,600.02 and 34,183.80

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Solution

The fourth proportional to 109,065.31, 163,600.02 and 34,183.80 is: 51,276.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,065.31 : 163,600.02 = 34,183.80 : x
  2. Step 2: Convert to fraction form
    109,065.31/163,600.02 = 34,183.80/x
  3. Step 3: Cross multiply
    109,065.31x = 163,600.02 × 34,183.80
  4. Step 4: Simplify right side
    109,065.31x = 5,592,470,363.68
  5. Step 5: Solve for x
    x = 5,592,470,363.68/109,065.31
  6. Step 6: Final answer
    x = 51,276.34

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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.