Home / 205,664.10-308,464.98-70,748.70

Finding the Fourth Proportional to 205,664.10, 308,464.98 and 70,748.70

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Solution

The fourth proportional to 205,664.10, 308,464.98 and 70,748.70 is: 106,112.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,664.10 : 308,464.98 = 70,748.70 : x
  2. Step 2: Convert to fraction form
    205,664.10/308,464.98 = 70,748.70/x
  3. Step 3: Cross multiply
    205,664.10x = 308,464.98 × 70,748.70
  4. Step 4: Simplify right side
    205,664.10x = 21,823,496,330.53
  5. Step 5: Solve for x
    x = 21,823,496,330.53/205,664.10
  6. Step 6: Final answer
    x = 106,112.33

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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.